[ULPIANUS libro trigesimo ad Sabinum. ] §17.2.19.prQui admittitur socius, ei tantum socius est qui admisit, et recte: cum enim societas consensu contrahatur, socius mihi esse non potest quem ego socium esse nolui.
[ULPIANUS in his thirtieth book on Sabinus] He who is admitted as a partner is a partner only to him who admitted him, and rightly so; for since a partnership is contracted by consent, a person whom I did not wish to be a partner cannot be a partner to me.
quid ergo si socius meus eum admisit? ei soli socius est
What then if my partner has admitted him? He is a partner to him alone.