Silence is a true friend who never betrays.

Not knowing life, how can we know death? Why talk of spirits when you do not understand men?

They who know the truth are not equal to those who love it, and they who love it are not equal to those who delight in it.

Virtuous people often revenge themselves for the constraints to which they submit by the boredom which they inspire.

The book salesman should be honored because he brings to our attention, as a rule, the very books we need most and neglect most.

When I am with others, they are my teachers. I can select their good points and follow them, and select their bad points and avoid them.

Life is really simple, but we insist on making it complicated.