"Not until just before dawn do people sleep best; not until people get old do they become wise."

"Unles we change direction, we are likely to wind up where we are headed."

"He who strikes the first blow admits he's lost the argument."

"Deep doubts, deep wisdom; small doubts, little wisdom."

"When you have only two pennies left in the world, buy a loaf of bread with one, and a lily with the other."

"Tell me and I'll forget; show me and I may remember; involve me and I'll understand."

"Make your bargain before beginning to plow."

"Dwell not upon thy weariness, thy strength shall be according to the measure of thy desire."

"Do not employ handsome servants."

"Don't make use of another's mouth unless it has been lent to you."

"Speak the truth, but leave immediately after."

"First secure an independent income, then practice virtue."