成为质量的标杆，有些人并不习惯追求卓越的环境。
Be a yardstick of quality. Some people aren’t used to an environment where excellence is expected.
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.
世界的美有两面，一面是欢笑，一面是痛苦，将心割裂。
创新往往发生在不同领域的边界上。