语出西汉·桓宽《盐铁论·疾贪》。表：古代测量日影以计时的标杆。要想让影子正，就要先将标杆树直；要想让下面的人清廉，就要先自己做到清廉。说明上位是下位的表率。

量子力学和引力之间的相互作用是我们这个时代最大的谜题，解决它将揭示宇宙的秘密。

What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.

The truth is not always the most effective weapon. Sometimes, a well-crafted lie can save more lives than the truth ever could.

Technology is the means, experience is the goal.

The free, exploring mind of the individual human is the most valuable thing in the world.