I think it is often easier to make progress on mega-ambitious dreams. Since no one else is crazy enough to do it, you have little competition. In fact, there are so few people this crazy that I feel like I know them all by first name.

The greatest single achievement of computer science is the development of the concept of the algorithm.

我们宗教原则的最终考验不仅在于我们在见证中说了什么，还在于我们在生活中做了什么。

——〈在广州农民运动讲习所第一届毕业礼演说〉，对讲习所学员发出警告，无法在中国发动阶级斗争，反之应该要用平和方法，以合作为诉求，1924年8月21日

The waterfall sings， '' I find my song， when I find my freedom。''

数学是解开宇宙秘密和理解支配它的基本法则的关键。