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

Anyone who has never made a mistake has never tried anything new.

Thinking is the talking of the soul with itself.

Reality leaves a lot to the imagination.

If you can't explain it to a six year old, you don't understand it yourself.

Reality is merely an illusion.

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

Only a life lived for others is a life worthwhile.

Why does the eye see a thing more clearly in dreams than the imagination when awake?