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

"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."

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

"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."

"Success consists of going from failure to failure without loss of enthusiasm."

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

"If you fell down yesterday, stand up today."

"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. "

"The journey of a thousand miles begins with a single step"

"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."