It is as important to cultivate your silence power as your word power.
Let everything you do be done as if it makes a difference.
An experience, perceptual or conceptual, must conform to reality in order to be true
You make a great, very great mistake, if you think that psychology, being the science of the mind's laws, is something from which you can deduce definite programmes and schemes and methods of instruction for immediate schoolroom use.
Act the part and you will become the part.
When a superior intellect and a psychopathic temperament coalesce in the same individual, we have the best possible condition for the kind of effective genius that gets into the biographical dictionaries.