我们都是自己故事中的英雄。

The most reliable way to anticipate the future is by understanding the present.

Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.

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.