The only limit to our realization of tomorrow will be our doubts of today.
对抗压力最强大的武器是我们选择一种思想而非另一种的能力。
The world might be mean, but people don't have to be.
"The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success."