To find recreation in amusement is not happiness.

Nothing gives rest but the sincere search for truth.

Dull minds are never either intuitive or mathematical.

Justice is what is established; and thus all our established laws will necessarily be regarded as just without examination, since they are established.

There is enough light for those who only desire to see, and enough obscurity for those who have a contrary disposition

For after all what is man in nature? A nothing in relation to infinity, all in relation to nothing, a central point between nothing and all and infinitely far from understanding either. The ends of things and their beginnings are impregnably concealed from him in an impenetrable secret. He is equally incapable of seeing the nothingness out of which he was drawn and the infinite in which he is engulfed.

All this visible world is but an imperceptible point in the ample bosom of nature.