First ask yourself: What is ...

First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.
First ask yourself: What is the worst that can happen? Then prepare to accept it. Then proceed to improve on the worst.

More phrases

Effort only fully releases its reward after a person refuses to quit.
Never complain and never explain.
A good plan violently executed now is better than a perfect plan executed next week.
 George S. Patton
Problems are not stop signs, they are guidelines.
 Robert Schuller
Never give up, for that is just the place and time that the tide will turn.
 Harriet Beecher Stowe

Quotes from the same author

Do you know the most important trait a man can have? It is not executive ability; it is not a great mentality; it is not kindliness, nor courage, nor a sense of humor, though each of these is of tremendous importance. In my opinion, it is the ability to make friends, which, boiled down, means the ability to see the best in man.
Happiness doesn't depend on any external conditions, it is governed by our mental attitude.
Success is getting what you want. Happiness is wanting what you get.
Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.
When fate hands us a lemon, let's try to make lemonade.