An expert is a man who tells you a simple thing in a confused way, in such fasion as to make you think the confusion is your own fault.
There's one thing that keeps surprising you about stormy old friends after they die: their silence.
We owe to the Middle Ages the two worst inventions of humanity: romantic love and gunpowder.
You must not lost faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty.
Teaching should be such that what is offered is perceived as a valuable gift and not as hard duty.
The monuments of wit survive the monuments of power.
No man knows his true character until he has run out of gas, purchased something on the installment plan, and raised an adolescent.
Be civil to all, sociable to many, familiar with few, friend to one, enemy to none.
Nothing is more frightful than laughter when it comes to jealousy.
In aging, one becomes more foolish and more wise.