One of the sophisms of Chrysippus was, "If you have not lost a thing, you have it.
Diogenes LaertiusThere is a written and an unwritten law. The one by which we regulate our constitutions in our cities is the written law; that which arises from customs is the unwritten law.
Diogenes LaertiusOnce when Bion was at sea in the company of some wicked men, he fell into the hands of pirates; and when the rest said, "We are undone if we are known,"-"But I," said he, "am undone if we are not known.
Diogenes Laertius