Vanity is but the surface.

God has given us evidence sufficiently clear to convince those with an open heart and mind.

Chess is the gymnasium of the mind.

All mankind's troubles are caused by one single thing, which is their inability to sit quietly.

We desire truth, and find within ourselves only uncertainty. We seek happiness, and find only misery and death. We cannot but desire truth and happiness, and are incapable of certainty or happiness.

Excuse me, pray." Without that excuse I would not have known there was anything amiss.

Nothing is so intolerable to man as being fully at rest, without a passion, without business, without entertainment, without care.