
„Solon gave the following advice: "Consider your honour, as a gentleman, of more weight than an oath. Never tell a lie. Pay attention to matters of importance."“
— Diogenes Laërtius biographer of ancient Greek philosophers 180 - 240
Solon, 12.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 1: The Seven Sages