It is most important to allow the brain the full measure of sleep which is required to restore it; for sleep is to a man's whole nature what winding up is to a clock.

The nobler and more perfect a thing is, the later and slower it is in arriving at maturity. A man reaches the maturity of his reasoning powers and mental faculties hardly before the age of twenty-eight; a woman at eighteen.

Pride works _from within_; it is the direct appreciation of oneself. Vanity is the desire to arrive at this appreciation indirectly, from without.

If people insist that honor is dearer than life itself, what they really mean is that existence and well-being are as nothing compared with other people's opinions. Of course, this may be only an exaggerated way of stating the prosaic truth that reputation, that is, the opinion others have of us, is indispensable if we are to make any progress in the world.

The greatest of follies is to sacrifice health for any other kind of happiness.

If two men who were friends in their youth meet again when they are old, after being separated for a life-time, the chief feeling they will have at the sight of each other will be one of complete disappointment at life as a whole; because their thoughts will be carried back to that earlier time when life seemed so fair as it lay spread out before them in the rosy light of dawn, promised so much — and then performed so little.

To forgive and forget means to throw away dearly bought experience.