Mankind's common instinct for reality has always held the world to be essentially a theatre for heroism.

The greatest discovery of the 20th Century is that our attitude of mind determines our quality of life, not circumstances.

To improve the golden moment of opportunity, and catch the good that is within our reach, is the great art of life.

Truths emerge from facts, but they dip forward into facts again and add to them; which facts again create or reveal new truth (the word is indifferent) and so on indefinitely. The 'facts' themselves meanwhile are not true. They simply are. Truth is the function of the beliefs that start and terminate among them.

Fatalism, whose solving word in all crises of behavior is All striving is vain, will never reign supreme, for the impulse to take life strivingly is indestructible in the race. Moral creeds which speak to that impulse will be widely successful in spite of inconsistency, vagueness, and shadowy determination of expectancy. Man needs a rule for his will, and will invent one if one be not given him.

An idea, to be suggestive, must come to the individual with the force of revelation.

A new opinion counts as true just in proportion as it gratifies the individual's desire to assimilate the novel in his experience to his beliefs in stock