Animals... are there merely as a means to an end. That end is man.

Nothing is divine but what is agreeable to reason.

Heaven has given human beings three things to balance the odds of life: hope, sleep, and laughter.

Maturity is having the courage to use one's own intelligence!

One is not rich by what one owns, but more by what one is able to do without with dignity.

Enlightenment is the liberation of man from his self-caused state of minority... Supere aude! Dare to use your own understanding!is thus the motto of the Enlightenment.

Out of the crooked timber of humanity, no straight thing was ever made.