The first thing that intellect does with an object is to class it with something else.

Philosophy lives in words, but truth and fact well up into our lives in ways that exceed verbal formulation.

The deepest principle in human nature is the craving to be appreciated.

I don't sing because I'm happy; I'm happy because I sing.

Positive images of the future are a powerful and magnetic force... They draw us on and energize us, give us courage and will to take on important initiatives. Negative images of the future also have a magnetism. They pull the spirit downward in the path of despair.

Cramming seeks to stamp things in by intense application immediately before the ordeal. But a thing thus learned can form but few associations.

The stream of thought flows on; but most of its segments fall into the bottomless abyss of oblivion. Of some, no memory survives the instant of their passage. Of others, it is confined to a few moments, hours or days. Others, again, leave vestiges which are indestructible, and by means of which they may be recalled as long as life endures.