“Why not whip the teacher when the student misbehaves?”

“To one who asked what was the proper time for lunch, he said, "If a rich man, when you will; if a poor man, when you can.”

“When some one reminded him that the people of Sinope had sentenced him to exile, he said, "And I sentenced them to stay at home.”

“When people laughed at him because he walked backward beneath the portico, he said to them: "Aren't you ashamed, you who walk backward along the whole path of existence, and blame me for walking backward along the path of the promenade?”

“Time is the most valuable thing that a man can spend.”

“Blushing is the color of virtue.”

“Die schönste Sache in der Welt ist die Redefreiheit.”