真相永远在运动中。

At the close of our studies， we knew all the past of physics， but nothing of the present and the future.

创新是解决世界许多问题的关键，它需要实验和冒险的自由。

每一种化合物都必须有确定的组成，这可以用其元素的符号来表示。

I’ve learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

增长来自于突破界限。