Thinking rationally is often different from "positive thinking," in that it is a realistic assessment of the situation, with a view towards rectifying the problem if possible.

I don't recommend that people speak their minds to their bosses or to somebody who's directly over them. You need to know when to speak your mind and what the penalty will be for doing so. Sometimes it's worth it, and often it's not!

Worrying about dying will hardly help you live.

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

I wrote several articles criticizing psychoanalysis, but the analysts weren't listening to my objections. So I finally quit after practicing it for six years.

I think it's unfair, but they have the right as fallible, screwed-up humans to be unfair; that's the human condition.

Beginning in the 1960s, many studies showed that people who hold what we call irrational beliefs are significantly more disturbed than when they don't hold them, and the more strongly they hold them, the more disturbed they tend to be.