I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.

"You can't go back and change the beginning, but you can start where you are and change the ending."

I have now taken a serious task upon myself and I fear a greater one than is in the power of any man to perform.

教育的最高目标不是知识，而是行动。

Life is an art, and each of us is the artist of our own life.

The only way out is through.