To define is to limit.

实时观察和控制电子运动的能力为理解自然界的基本过程开辟了新领域。

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

你无法控制生活中的一切，但你可以控制你的态度。

Dictatorships breed bad literature because they breed fear and conformity.

成功的蔬菜种植关键在于理解自然与技术之间的平衡。