We can't change the past, so we change how people are thinking, feeling and behaving today.

You never truly need what you want. That is the main and thoroughgoing key to serenity.

Whining about your own, others', or the world's failings is a main element in what we usually call neurosis.

Even when people act nastily to you, don't condemn them or retaliate.

Freud had a gene for inefficiency, and I think I have a gene for efficiency.

For that again, is what all manner of religion essentially is: childish dependency. If something is irrational, that means it won't work. It's usually unrealistic. People don't just get upset. They contribute to their upsetness. People have motives and thoughts of which they are unaware. Rational beliefs bring us closer to getting good results in the real world. Self-esteem is the greatest sickness known to man or woman because it's conditional. The art of love is largely the art of persistence.

You mainly feel the way you think.