- "It's not that I'm so smart, it's just that I stay with problems longer."
- “Do not worry about your problems with mathematics, I assure you mine are far greater.”
- “Once we accept our limits, we go beyond them.”
- "I was, on the whole, considerably discouraged by my school days. It was not pleasant to feel oneself so completely outclassed and left behind at the beginning of the race."
- “Attitude is a little thing that makes a big difference.”
- “Continuous effort – not strength or intelligence – is the key to unlocking your potential.”
- “Genius is one percent inspiration and ninety-nine percent perspiration.”
- “Great ideas originate in the muscles.”
- “I have not failed, I’ve just found 10,000 ways that don’t work.”
- “Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.”
- “All your dreams can come true if you have the courage to pursue them.”
- “All the adversity I've had in my life, all my troubles and obstacles, have strengthened me... You may not realize it when it happens, but a kick in the teeth may be the best thing in the world for you.”
- “If you can dream it you can do it.”
- “Accept the challenges so that you can feel the exhilaration of victory.”
- “If a man does his best what else is there?”
- “Success is how high you bounce when you hit bottom.