Diogenes, when asked from what country he came, replied, "I am a citizen of the world."
Diogenes LaertiusDiogenes lighted a candle in the daytime, and went round saying, "I am looking for a man.
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 Laertius