The only path by which another person can upset you is through your own thought.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Everything you can imagine is real.

Part of me suspects that I'm a loser, and the other part of me thinks I'm God Almighty.

Thinking is the talking of the soul with itself.

A man is but the product of his thoughts. What he thinks he becomes.

Reality leaves a lot to the imagination.

I have no special talents. I am only passionately curious.

The highest possible stage in moral culture is when we recognise that we ought to control our thoughts.