The balance of power is the scale of peace.

世界的力量平衡最终是生产力平衡的问题。

Language shapes the way we think, and determines what we can think about.

"In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs."

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.