History does not long entrust the care of freedom to the weak or the timid.

Words are wise men's counters, they do but reckon by them; but they are the money of fools.

科学更多的是一种思维方式，而不是一堆知识。

今天很残酷，明天更残酷，后天很美好，但绝大部分人死在明天晚上。