The first lesson reading teaches is how to be alone.
不要以为春天已经离去无处可寻,绿荫下还有未开放的花朵
In computer science, we often deal with problems that are easy to state but hard to solve.
所以富贵的人极其奢侈,二孤儿寡妇却受饥挨饿,虽然想天下不乱,也不可能。国君若真的希望天下太平而不希望天下大乱的话,如果要吃喝,就不能不节俭。