Well done is better than well said.
What you do today can improve all your tomorrows.
To be a good loser is to learn how to win.
Expect problems and eat them for breakfast.
Be thine own palace, or the world's thy jail.
I can, therefore I am.
Begin to be now what you will be hereafter.
By failing to prepare, you are preparing to fail.
Who seeks shall find.
To know oneself, one should assert oneself.
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.