A great truth is a truth whose opposite is also a great truth.

Words are not mere sounds or marks， but signs of facts.

If you want to fly, you have to give up the things that weigh you down.

I don't care what people say, I'm going to do what I want.

I have noticed that youngsters given to the climbing habit usually do something when they grow up.

The novel is a protest against the irreversibility of time.

Hope is a good thing, maybe the best of things, and no good thing ever dies.