Superstition! that horrid incubus which dwelt in darkness, shunning the light, with all its racks, and poison chalices, and foul sleeping draughts, is passing away without return. Religion cannot pass away. The burning of a little straw may hide the stars of the sky; but the stars are there and will reappear.

Nothing builds self-esteem and self-confidence like accomplishment.

The mathematics of high achievement

Old age is not a matter for sorrow. It is matter for thanks if we have left our work done behind us.

Of all your troubles, great and small, the greatest are the ones that don't happen at all.

The dead are all holy, even they that were base and wicked while alive. Their baseness and wickedness was not they, was but the heavy and unmanageable environment that lay round them.

Man is, properly speaking, based upon hope, he has no other possession but hope; this world of his is emphatically the place of hope.