唯一真正的监狱是恐惧,唯一真正的自由是从恐惧中解脱。
The world is all the richer for having a devil in it, so long as we keep our foot upon his neck.
发现的喜悦是科学家们前进的动力。
Interview with Infinity Plus (February 2001)
It is by no means an irrational fancy that, in a future existence, we shall look upon what we think our present existence, as a dream.