To be a good loser is to learn how to win.
Do not weep do not wax indignant. Understand.
Be kind whenever possible. It is always possible.
If you're going through hell, keep going.
Always desire to learn something useful.
The most effective way to do it, is to do it.
If you've got a talent, protect it.
Be gentle to all and stern with yourself.
Problems are not stop signs, they are guidelines.
It's always too early to quit.
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.