The union of the mathematician with the poet, fervor with measure, passion with correctness, this surely is the ideal.

It is only in the lonely emergencies of life that our creed is tested: then routine maxims fail, and we fall back on our gods.

Once a decision is reached, stop worrying and start working.

Spiritual energy flows in and produces effects, psychological or material, within the phenomenal world.

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

There is a law in psychology that if you form a picture in your mind of what you would like to be, and you keep and hold that picture there long enough, you will soon become exactly as you have been thinking.

The prescription is that the subject must be made to show new aspects of itself; to prompt new questions; in a word, to change. From an unchanging subject the attention inevitably wanders away.