To live without experiencing some of the most beautiful relations life affords is not to have lived at all.

Of all men's miseries the bitterest is this: to know so much and to have control over nothing.

A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.

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.

领导者要有远见和信念，相信梦想可以实现。他激发完成梦想的力量和能量。