An experience, perceptual or conceptual, must conform to reality in order to be true

In the last analysis, then, we believe that we all know and think about and talk about the same world because we believe our PERCEPTS are possessed by us in common

The greatest weapon against stress is our ability to choose one thought over another.

My thinking is first and last and always for the sake of my doing, and I can only do one thing at a time.

An impression which simply flows in at the pupil's eyes or ears and in no way modifies his active life, is an impression gone to waste. It is physiologically incomplete... Its motor consequences are what clinch it.

Any object not interesting in itself may become interesting through becoming associated with an object in which an interest already exists.

Both thought and feeling are determinants of conduct, and the same conduct may be determined either by feeling or by thought.