在这个世界上,有些东西用石头是刻不来的。在我们的心中有块地方是关不住的,那块地方称为自由。
The beauty of mathematics is that it is both precise and creative.
A sober looks shows that just have the world gotten to be a better place after all; it is also grown a bit worse at the exact same rate.; a one step up, a one step back sort of cosmic balance between forward progress, and cultural retreat, that puts man kind on a bell curve of existence.