"He is not only idle who does nothing, but he is idle who might be better employed."

"My advice to you is getting married: if you find a good wife you'll be happy; if not, you'll become a philosopher."

"How many things can I do without?"

"The hour of departure has arrived, and we go our separate ways, me to die, and you to live. Which of these two is better? Only God knows."

"The beginning of wisdom is the definition of terms."