Here below is not the land of happiness: I know it now; it is only the land of toil, and every joy which comes to us is only to strengthen us for some greater labor that is to succeed.

Upon the progress of knowledge the whole progress of the human race is immediately dependent: he who retards that, hinders this also.

By mere burial man arrives not at bliss; and in the future life, throughout its whole infinite range, they will seek for happiness as vainly as they sought it here, who seek it in aught else than that which so closely surrounds them here - the Infinite

Nothing is more destructive of individual character than for a man to lose all faith in his own abilities for the prosecution of his work.

What sort of philosophy one chooses depends on what sort of person one is.

A man can do what he ought to do; and when he says he cannot, it is because he will not.

I am satisfied with, and stand firm as a rock on the belief that all that happens in God's world is for the best, but what is merely germ, what blossom and what fruit I do not know.