Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.
You cannot live a perfect day without doing something for someone who will never be able to repay you.
It is what we learn after we think we know it all, that counts.
It's not so important who starts the game but who finishes it.
Don't let what you cannot do interfere with what you can do.
If you don't have time to do it right, when will you have the time to do it over?