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.

The art of love is largely the art of persistence.

Most people would have given up when faced with all the criticism I've received over the years.

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.

The world consists mainly of love slobs who need other people's approval. Most people don't live their own lives very well.

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

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.