Certification standards are meaningless without rigorous enforcement and transparency.
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.
数学是一项协作的努力。没有人可以单独完成。
The most profound question is not about the existence of God, but about the existence of the world.