"Are you bored with life? Then throw yourself into some work you believe in with all your heart, live for it, die for it, and you will find happiness that you had thought could never be yours."
"Never give in! Never give in! Never, never, never. Never -- in anything great or small, large or petty -- never give in except to convictions of honor and good sense."
"Most people give up just when they're about to achieve success. They quit on the one yard line. They give up at the last minute of the game one foot from a winning touchdown."
"Studies indicate that the one quality all successful people have is persistence. They're willing to spend more time accomplishing a task and to perservere in the face of many difficult odds. There's a very positive relationship between people's ability to accomplish any task and the time they're willing to spend on it."