Every major horror of history was committed in the name of an altruistic motive.

Great men can’t be ruled.

The moral is the chosen, not the forced; the understood, not the obeyed. The moral is the rational, and reason accepts no commandments.

If you fear failure, you shall never succeed.

I don’t know the key to success, but the key to failure is trying to please everybody.

The happiness of your life depends upon the quality of your thoughts.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

All the problems of the world could be settled easily if men were only willing to think.

Success isn’t something you chase. It’s something you have to put forth the effort for constantly.

Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.

I always get what I want because I always want what I get.

It’s kind of fun to do the impossible.