The deterioration of a government begins almost always by the decay of its principles.
最大的风险是不冒任何风险。在一个快速变化的世界里,唯一注定失败的策略就是不冒险。
Man is the artisan of his own happiness.
The only limit to our realization of tomorrow will be our doubts of today.
A mathematician is a device for turning coffee into theorems.
当我唱歌时,我感觉自己在一个不同的世界,一个一切皆有可能的世界。