Religion becomes a state of mind achievable in almost any activity of life, if this activity is raised to a suitable level of perfection.

What shall we think of a well-adjusted slave?

The study of crippled, stunted, immature, and unhealthy specimens can yield only a cripple psychology and a cripple philosophy

The science of psychology has been far more successful on the negative than on the positive side... It has revealed to us much about man's shortcomings, his illnesses, his sins, but little about his potentialities, his virtues, his achievable aspirations or his psychological health... We must find out what psychology might be if it could free itself from the stultifying effects of limited, pessimistic and stingy preoccupations with human nature.

Fear of knowing is very deeply a fear of doing.

When people appear to be something other than good and decent, it is only because they are reacting to stress, pain, or the deprivation of basic human needs such as security, love, and self-esteem.

A stupid man behaves stupidly, not because he wants to, or tries to, or is motivated to, but simply because he is what he is.