幸福的秘诀是自由，而自由的秘诀是勇气。
The secret of happiness is freedom, and the secret of freedom is courage.
过去总是紧张的，未来是完美的。
自由并不意味着摆脱某物，而是能够自由地去做某事。
The only real prison is the one you build for yourself.
领导力在于因你的存在而使他人变得更好，并确保在你离开后这种影响依然存在。
我们只在童年时看过一次世界。其余的都是记忆。
The challenge of modern physics is not just to find answers but to ask the right questions.
The function of education is to help us go beyond what is given, to transcend the immediate.
一切幸福都绝非没有忧虑和烦恼，而一切逆境也绝非没有慰籍与希望。