Every breakthrough starts with a question, and every question is a step toward the unknown.
The future of democracy depends on its ability to deliver economic growth and social justice.
成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜;真正的英雄主义是抵制这种怀疑;最深刻的智慧是知道何时应该抵制,何时应该服从。
"Books are the quietest and most constant of friends."