Things do not happen. Things are made to happen.
Well done is better than well said.
If you're going through hell, keep going.
Problems are not stop signs, they are guidelines.
Be thine own palace, or the world's thy jail.
Who seeks shall find.
If you can dream it, you can do it.
The secret of getting ahead is getting started.
Never complain and never explain.
The most effective way to do it, is to do it.
The answer to old age is to keep one's mind busy and to go on with one's life as if it were interminable. I always admired Chekhov for building a new house when he was dying of tuberculosis.