← Seneca the Younger

Moral Letters to Lucilius

§121.1-121.8

Animals and Innate Awareness of Their Constitution

Seneca explains the importance of investigating nature within the study of character, and argues that animals naturally possess an innate awareness of their own constitution and the ability to move their limbs fitly and voluntarily.

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§121.1

​Litigabis, ego video, cum tibi hodiernam quaestiunculam, in qua satis diu haesimus, exposuero. Iterum enim exclamabis: "hoc quid ad mores? "Sed exclama, dum tibi primum alios opponam,1 cum quibus litiges, Posidonium et Archidemum; hi iudicium accipient. Deinde dicam: non quicquid morale est, mores bonos facit.

​You will dispute, I see, when I have explained to you today’s little question, in which we have lingered long enough. For again you will cry out: “What does this have to do with character?” But cry out, provided that I first set up others against you, with whom you may dispute, Posidonius and Archidemus; these will accept the judgment. Then I shall say: not everything that is moral makes good character.

§121.2

​Aliud ad hominem alendum pertinet, aliud ad exercendum, aliud ad vestiendum, aliud ad docendum, aliud ad delectandum. Omnia tamen ad hominem pertinent, etiam si non omnia meliorem eum faciunt. Mores alia aliter attingunt: quaedam illos corrigunt et ordinant, quaedam naturam eorum et originem scrutantur.

​One thing pertains to nourishing man, another to exercising him, another to clothing him, another to teaching him, another to delighting him. All things, however, pertain to man, even if not all things make him better. Different things touch upon character in different ways: some things correct and order it, some things investigate its nature and origin.

§121.3

​Cum quaero, quare hominem natura produxerit, quare praetulerit animalibus ceteris, longe me iudicas mores reliquisse? Falsum est. Quomodo enim scies, qui habendi sint,2 nisi quid homini sit optimum, inveneris, nisi naturam eius inspexeris? Tunc demum intelleges, quid faciendum tibi, quid vitandum sit, cum didiceris, quid naturae tuae debeas.

​When I ask why nature produced man, why she preferred him to other animals, do you judge that I have left character far behind? It is false. For how will you know what kind of character is to be maintained, unless you find what is best for man, unless you inspect his nature? Then at last you will understand what must be done by you, what must be avoided, when you have learned what you owe to your nature.

§121.4

"Ego," inquis, "volo discere, quomodo minus cupiam, minus timeam. Superstitionem mihi excute. Doce leve esse vanumque hoc, quod felicitas dicitur, unam illi syllabam facillime accedere.3" Desiderio tuo satis faciam, et virtutes exhortabor et vitia converberabo. Licet aliquis nimium inmoderatumque in hac parte me iudicet, non desistam persequi nequitiam et adfectus efferatissimos inhibere et voluptates ituras in dolorem compescere et votis opstrepere. Quidni? Cum maxima malorum optaverimus, et ex gratulatione natum sit quidquid adloquimur.

”I,” you say, “wish to learn how I may desire less, fear less. Shake off superstition from me. Teach me that this which is called good fortune is light and empty, and that a single syllable is very easily added to it.” I will satisfy your desire, and I will encourage virtues and lash vices. Even though someone may judge me too extreme and immoderate in this part, I shall not cease to pursue wickedness and to restrain the most savage passions and to curb pleasures that are about to turn into pain and to cry out against prayers. Why not? Since we have wished for the greatest of evils, and whatever we address has been born from congratulation.

§121.5

​Interim permitte mihi ea, quae paulo remotiora videntur, excutere. Quaerebamus, an esset omnibus animalibus constitutionis suae sensus? Esse autem ex eo maxime apparet, quod membra apte et expedite movent non aliter quam in hoc erudita. Nulli non partium suarum agilitas est.4 Artifex instrumenta sua tractat ex facili, rector navis scite gubernaculum flectit, pictor colores, quos ad reddendam similitudinem multos variosque ante se posuit, celerrime denotat et inter ceram opusque facili vultu ac manu commeat; sic animal in omnem usum sui mobilest.

​Meanwhile, permit me to examine those things which seem a little more remote. We were asking whether there is in all animals a sense of their own constitution? But that there is appears most of all from this, that they move their limbs fitly and readily, not otherwise than if trained for this. Every single one has nimbleness of its parts. An artisan handles his tools with ease, the pilot of a ship skillfully turns the rudder, the painter very quickly distinguishes the colors, many and various, which he has placed before him to render a likeness, and moves between the wax and his work with easy look and hand; thus an animal is agile for every use of itself.

§121.6

​Mirari solemus saltandi peritos, quod in omnem significationem rerum et adfectuum parata illorum est manus, et verborum velocitatem gestus adsequitur. Quod illis ars praestat, his natura. Nemo aegre molitur artus suos, nemo in usu sui haesitat. Hoc edita protinus faciunt. Cum hac scientia prodeunt; instituta nascuntur.

​We are accustomed to wonder at those skilled in dancing, because their hand is ready for every representation of things and passions, and their gesture keeps pace with the swiftness of words. What art provides to those, nature provides to these. No one moves his limbs with difficulty, no one hesitates in the use of himself. They do this straightway upon being brought forth. They come forth with this knowledge; they are born trained.

§121.7

" Ideo," inquit, "partes suas animalia apte movent, quia si aliter moverint, dolorem sensura sunt. Ita, ut vos dicitis, coguntur, metusque illa in rectum, non voluntas movet." Quod est falsum. Tarda enim sunt, quae necessitate inpelluntur, agilitas sponte motis est. Adeo autem non adigit illa ad hoc doloris timor, ut in naturalem motum etiam dolore prohibente nitantur.

”Therefore,” he says, “animals move their parts fitly, because if they move them otherwise, they will feel pain. Thus, as you say, they are compelled, and fear, not will, moves them in the right direction.” Which is false. For those things which are driven by necessity are slow, agility belongs to those that are moved of their own accord. Moreover, so little does the fear of pain force them to this, that they strive toward natural movement even when pain prevents it.

§121.8

​Sic infans, qui stare meditatur et ferre se adsuescit, simul temptare vires suas coepit,5 cadit et cum fletu totiens resurgit, donec se per dolorem ad id, quod natura poscit, exercuit. Animalia quaedam tergi durioris inversa tam diu se torquent ac pedes exerunt et obliquant, donec ad locum reponantur. Nullum tormentum sentit supina testudo, inquieta est tamen desiderio naturalis status nec ante desinit quatere se, quam in pedes constitit.

​Thus an infant, who practices standing and accustoms himself to support himself, as soon as he begins to try his strength, falls, and rises again so many times with weeping, until through pain he has trained himself for that which nature demands. Certain animals of harder back, when turned upside down, twist themselves and thrust out and bend their feet so long, until they are restored to their position. A tortoise turned on its back feels no pain, yet it is restless with longing for its natural state, nor does it cease to shake itself before it has stood on its feet.

Syntax notes5 items
  1. 121.1dum tibi primum alios opponam

    The conjunction dum with the subjunctive (opponam) functions here as 'while' or 'provided that', expressing a proviso or temporary condition ('while I first set up others against you'). It serves to defer the interlocutor's immediate objection by introducing the authority of other Stoic philosophers.

  2. 121.3qui habendi sint

    The relative (or interrogative) adjective qui is masculine plural, referring back to the preceding mores. habendi sint is the passive periphrastic (gerundive + subjunctive of esse) in an indirect question, meaning 'what kind of character/morals ought to be maintained'.

  3. 121.4unam illi syllabam facillime accedere

    An accusative and infinitive construction dependent on doce. The dative illi refers to felicitas (good fortune). The addition of a single syllable (unam syllabam) refers to the ease with which felicitas becomes infelicitas (misfortune), illustrating the Stoic view on the fragility of external fortune.

  4. 121.5Nulli non partium suarum agilitas est

    A double negation (nulli non) expressing a strong affirmation ('everyone' or 'every single one'). nulli is a dative of possession. Literally 'to no one is there not an agility of their parts', meaning that every living creature naturally possesses the ability to move its bodily parts with ease.

  5. 121.8simul temptare vires suas coepit

    The conjunction simul is used here for simul ac ('as soon as'). It describes how the infant, as soon as he begins to test his strength in trying to stand, falls down.

Translated by Gemini 3.5 Flash (published 2026-05-25) · Revision history (1, latest 2026-09-22)
  • 2026-09-22 AI review — source 1
urn:cts:latinLit:phi1017.phi015.humanitext-lat2:121.1-121.8