心灵是自己的地方，在那里可以把地狱变成天堂，把天堂变成地狱。
世界是一个广阔而孤独的地方。但它也是一个你可以找到自己道路的地方。
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
Understanding the fundamental limits of computation is crucial for the future of technology.