As a rule we disbelieve all the facts and theories for which we have no use.

If you believe that feeling bad or worrying long enough will change a past or future event, then you are residing on another planet with a different reality system.

There is no being capable of a spiritual life who does not have within him a jungle. Where the wolf constantly HOWLS and the OBSCENE bird of night chatters endlessly.

Seek out that particular mental attribute which makes you feel most deeply and vitally alive.

We must make automatic and habitual, as early as possible, as many useful actions as we can, and as carefully guard against the growing into ways that are likely to be disadvantageous.

The worst thing that can happen to a good teacher is to get a bad conscience about her profession because she feels herself hopeless as a psychologist.

All the higher, more penetrating ideals are revolutionary. They present themselves far less in the guise of effects of past experience than in that of probable causes of future experience, factors to which the environment and the lessons it has so far taught us must learn to bend.