没有严格的执行和透明度，认证标准就毫无意义。

Life is too short to waste on things that don't matter.

宇宙的扭曲面——黑洞、虫洞、奇点和时间扭曲——才是真正的精彩所在。

对事实进行分类并认识它们的顺序和相对重要性是科学的功能。

The key to performance is elegance, not battalions of special cases.

自由始于无知结束之时。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.