§7.74.1Οὐδεὶς κάμνει ὠφελούμενος, ὠφέλεια δὲ πρᾶξις κατὰ φύσιν·
No one tires of being benefited, and to benefit is an activity according to nature.
μὴ οὖν κάμνε ὠφελούμενος, ἐν ᾧ ὠφελεῖς.
Therefore, do not tire of being benefited in that action by which you benefit others.