Marvelous as may be the power of my dog to understand my moods, deathless as his affection and fidelity, his mental state is as unsolved a mystery to me as it was to my remotest ancestor.

The deepest longing in the human breast is the desire for appreciation.

Our view of the world is truly shaped by what we decide to hear.

To be a real philosopher all that is necessary is to hate some one else's type of thinking.

Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.

To know one thing thoroughly would be to know the universe.

If you want a quality, act as if you already had it.