The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently, we must be willing to change our belief system, let the past slip away, expand our sense of now, and dissolve the fear in our minds.

Men habitually use only a small part of the power which they actually possess.

Procrastination is attitude's natural assassin. There's nothing so fatiguing as an uncompleted task

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

Effort is the one strictly undervalued and original contribution we make to this world.

The work that leads to a doctor's degree is a constant temptation to sacrifice one's growth as a man to one's growth as a specialist.

Our errors are surely not such awfully solemn things. In a world where we are so certain to incur them in spite of all our caution, a certain lightness of heart seems healthier than this excessive nervousness on their behalf.