The power of love itself weakens and gradually becomes lost with age, like all the other energies of man.

In truth man is made rather to eat ices than to pore over old texts.

That man is prudent who neither hopes nor fears anything from the uncertain events of the future.

Man is a rational animal. He can think up a reason for anything he wants to believe.

I ought not to fear to survive my own people so long as there are men in the world; for there are always some whom one can love.

The average man does not know what to do with this life, yet wants another one which will last forever.

The greatest virtue of man is perhaps curiosity.

Of all the ways of defining man, the worst is the one which makes him out to be a rational animal.

What men call civilization is the condition of present customs; what they call barbarism, the condition of past ones.