"What we gave, we have; What we spent, we had; What we left, we lost." — Tryon Edwards

Seek happiness for its own sake, and you will not find it; seek for duty, and happiness will follow as the shadow comes with the sunshine.

Science has sometimes been said to be opposed to faith, and inconsistent with it. But all science, in fact, rests on a basis of faith, for it assumes the permanence and uniformity of natural laws - a thing which can never be demonstrated.

Credulity is belief in slight evidence, with no evidence, or against evidence.

Accuracy of statement is one of the first elements of truth; inaccuracy is a near kin to falsehood.