Common sense is calculation applied to life.

The fire which enlightens is the same fire which consumes.

A thousand things advance; nine hundred and ninety nine retreat; That is progress.

Our duty is to be useful, not according to our desires but according to our powers.

To feel keenly the poetry of a morning's roses, one has to have just escaped from the claws of this vulture which we call sickness.

There are 2 sorts of pride: one in which we approve others, the other in which we cannot accept ourselves.

I'm not interested in age. People who tell me their age are silly. You're as old as you feel.