没有对人类的热爱，英雄是什么？

在不确定的时期，蓬勃发展的公司是那些保持敏捷并将价值观置于核心的公司。

光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。

世界是黑暗的，而光弥足珍贵。

谁知旧日情，斯人知太深。绵绵长怀恨，尽在不言中。

I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

Don't be afraid to stand alone for what you believe in.

The beauty of mathematics only shows itself to more patient followers.