In saying no to progress, it is not the future which they condemn, but themselves. They give themselves a melancholy disease; they inoculate themselves with the past. There is but one way of refusing tomorrow, that is to die.

It is an unpleasant thing to go to bed without supper, it is a still less pleasant thing not to sup and not to know where one is to sleep.

Teach the ignorant as much as you can; society is culpable in not providing a free education for all and it must answer for the night which it produces. If the soul is left in darkness sins will be committed. The guilty one is not he who commits the sin, but he who causes the darkness.

Friend is sometimes a word devoid of meaning; enemy, never.

What makes night within us may leave stars.

It is man's consolation that the future is to be a sunrise instead of a sunset.

A day will come when markets, open to trade, and minds, open to ideas, will become the sole battlefield.