The best way to predict the future is to invent it.
对民主的最大威胁不是来自外部敌人,而是来自内部腐败和公民美德的丧失。
Mathematics is the music of reason.
快乐不是一件自我存在的东西,它仅是与其他不快乐事情的一个相对比照,这就是快乐的整个情况。
The only person you are destined to become is the person you decide to be.