在梦里，你不需要对事物做任何区分。完全没有。界限不存在。所以在梦里几乎不会有碰撞。
In dreams, you don't need to make any distinctions between things. Not at all. Boundaries don't exist. So in dreams there are hardly ever collisions.
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.
量子世界在经典意义上不是确定性的，也不是纯粹随机的 - 它是介于两者之间的东西。
在探索理解量子引力的过程中，我们就像在广阔海洋岸边玩耍的孩子，偶尔发现一块光滑的鹅卵石或一个漂亮的贝壳，而真理的浩瀚海洋仍未被我们发现。
The true test of leadership is not what you do when you're being watched, but what you do when you're alone.
