悔既往之失，亦要防将来之非。
解释：既要追悔以往的过失，也要预防将来可能发生的错误。
Every problem in NP can be reduced to the satisfiability problem, which is the cornerstone of computational complexity theory.
I don't believe in playing it safe. I believe in taking risks.
逃离平庸的唯一方式是不断改变它。
The connection between Galois groups and automorphic forms is one of the most profound mysteries in mathematics.
痛苦越深，艺术越深刻。
解读：法律条文背后关联无数个体命运、生活片段，它守护每个人权益，不是束之高阁的理论，而是关乎日常权益的保障书。
The true writer is always an exile, even in his own country.