I find that the harder I work, the more luck I seem to have.

Give me six hours to chop down a tree and I will spend the first four sharpening the axe.

If you lose hope, somehow you lose the vitality that keeps life moving, you lose that courage to be, that quality that helps you go on in spite of it all. And so today I still have a dream.

Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.

I have one life and one chance to make it count for something . . . I'm free to choose what that something is, and the something I've chosen is my faith. Now, my faith goes beyond theology and religion and requires considerable work and effort. My faith demands -- this is not optional -- my faith demands that I do whatever I can, wherever I am, whenever I can, for as long as I can with whatever I have to try to make a difference.

Scientists were rated as great heretics by the church, but they were truly religious men because of their faith in the orderliness of the universe.

You can discover what your enemy fears most by observing the means he uses to frighten you.