By honestly acknowledging your past errors, but never damning yourself for them, you can learn to use your past for your own future benefit.

Lack of forgiveness of others breeds lack of self-forgiveness.

Self-esteem is the greatest sickness known to man or woman because it's conditional.

Much of what we call emotion is nothing more or less than a certain kind - a biased, prejudiced, or strongly evaluative kind - of thought.

People don't just get upset. They contribute to their upsetness.

The more sinful and guilty a person tends to feel, the less chance there is that he will be a happy, healthy, or law-abiding citizen. He will become a compulsive wrong-doer.

As a result of my philosophy, I wasn't even upset about Hitler. I was willing to go to war to knock him off, but I didn't hate him. I hated what he was doing.