Pay attention to your enemies, for they are the first to discover your mistakes.
Antisthenes (c. 445 - c. 365 BC) Greek Cynic philosopher
In Diogenes Laërtius, Lives of the Eminent Philosophers, VI, xii
Pay attention to your enemies, for they are the first to discover your mistakes.
Antisthenes (c. 445 - c. 365 BC) Greek Cynic philosopher
In Diogenes Laërtius, Lives of the Eminent Philosophers, VI, xii
