Contemplating the weaknesses of others is easy； contemplating the weaknesses in yourself is hard， but it pays a much higher reward.
打量别人的弱点很容易。打量自己的弱点很难，但却会给你更高的回报。
The inflationary universe model provides a possible explanation for the origin of the universe.
寻找意义是一种徒劳的努力。
If you borrow something， try to return it in better shape than you received it. Clean it， sharpen it， fill it up.
To understand the present, we must dig into the past.
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.
盈利和可持续性并不是对立的；它们是一枚硬币的两面。一个危害环境的企业最终会伤害自己。