determination Quotes

Theoretical physics is one of the few fields in which being disabled is no handicap - it is all in the mind.

However difficult life may seem, there is always something you can do and succeed at.

I have so much that I want to do. I hate wasting time.

Obviously, because of my disability, I need assistance. But I have always tried to overcome the limitations of my condition and lead as full a life as possible. I have traveled the world, from the Antarctic to zero gravity.

Don't be afraid to give up the good to go for the great.

Many people think they want things, but they don't really have the strength, the discipline. They are weak. I believe that you get what you want if you want it badly enough.

I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.

Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim.

When a country has the skill and self-confidence to take action against its biggest problems, it makes outsiders eager to be a part of it.

For Africa to move forward, you've really got to get rid of malaria.