Common sense is, of all kinds, the most uncommon. It implies good judgment, sound discretion, and true and practical wisdom applied to common life.

The great end of education is, to discipline rather than to furnish the mind; to train it to the use of its own powers, rather than fill it with the accumulation of others.

The secret of a good memory is attention, and attention to a subject depends upon our interest in it. We rarely forget that which has made a deep impression on our minds.

Thoughts lead on to purpose, purpose leads on to actions, actions form habits, habits decide character, and character fixes our destiny.

Sincerity is not test of truth-no evidence of correctness of conduct. You may take poison sincerely believing it the needed medicine, but will it save your life?

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.

High aims form high characters, and great objects bring out great minds.