Success or failure depends more upon attitude than upon capacity.

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

The mind, in short, works on the data it receives very much as the sculptor works on his block of stone.

Most people live, whether physically, intellectually or morally, in a very restricted circle of their potential being. They make very small use of their possible consciousness, and of their soul's resources in general, much like a man who, out of his whole bodily organism, should get into a habit of using and moving only his little finger.

Truth for us is simply a collective name for verification processes

In teaching, you must simply work your pupil into such a state of interest in what you are going to teach him that every other object of attention is banished from his mind; then reveal it to him so impressively that he will remember the occasion to his dying day; and finally fill him with devouring curiosity to know what the next steps in connection with the subject are.

Believe that life is worth living and your belief will help create the fact.