"No, I don't give up, I'd have to dead or completely incapacitated."

"If something is important enough, even if the odds are against you, you should still do it."

"A man does what he must in spite of personal consequences, in spite of obstacles and dangers and pressures and that is the basis of all human morality."

"It does not matter how slowly you go as long as you do not stop."

"If you can't fly, then run. If you can't run, then walk. If you can't walk, then crawl. but whatever you do, you have to keep moving forward."

"You get in life what you have the courage to ask for."

"If you have an important point to make, don't try to be subtle or clever. Use a pile driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack."

"I haven't failed. I've just found 10,000 ways that won't work."

"I've always believed that you should never, ever give up and you should always keep fighting even when there's only a slightest chance. "

"It always seems impossible until it's done."

"You will never reach your destination if you stop and throw stones at every dog that barks."