The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

I don't know how to do anything half-way.

物理学家必须拥有生动的直觉想象力，因为新思想不是通过演绎产生的，而是通过艺术性的创造性想象。

"Every word is a world in itself, a universe of meaning."

成功不在于你赚了多少钱，而在于你对人们生活的影响。

在量子世界中，概率是唯一的现实。

The biggest weapon against stress is our ability to choose one thought over another.