The best science fiction is not about the future; it's about the present.
哲学的任务不是提供答案，而是对问题本身提出质疑。
我想我是不敢开心了，因为每次都会乐极生悲。
数学的本质在于它的自由。
The world is before you and you need not take it or leave it as it was when you came in.
大胆梦想，努力工作，永不放弃。
革命的道路不是铺满玫瑰的道路。