To be a good loser is to learn how to win.
Carl Sandburg
Because your own strength is unequal to the task, do not assume that it is beyond the powers of man; but if anything is within the powers and province of man, believe that it is within your own compass also.
Marcus Aurelius
The roots of education are bitter, but the fruit is sweet.
Aristotle
Genius is patience.
Isaac Newton
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Albert Einstein
Once you agree upon the price you and your family must pay for success, it enables you to ignore the minor hurts, the opponent's pressure, and the temporary failures.
Vince Lombardi
Everyone wants to be great; nobody wants to carry the sack.
Norwegian proverbs
There is nothing so bad that it cannot be worse.