If you have the character to ...

If you have the character to hang in there when its tough, you will develop or acquire every other characteristic necessary to WIN in the game of life.
If you have the character to hang in there when its tough, you will develop or acquire every other characteristic necessary to WIN in the game of life.

Quotes from the same author

Your attitude, not your aptitude, will determine your altitude.
You are the only person on earth who can use your ability.
Remember that failure is an event, not a person.
Positive thinking will let you do everything better than negative thinking will.
What you get by achieving your goals is not as important as what you become by achieving your goals.