统治者的暴政和群众的暴政同样令人生畏。

By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.

成为质量的标杆，有些人并不习惯追求卓越的环境。

It is not shame for a man to learn that which he knows not，whatever his age.

我们能体验到的最美丽的东西是神秘的。

I always tell my students that it's okay to make mistakes, as long as you learn from them.

Happiness is a warm puppy...