The concept of progress is inseparable from the concept of catastrophe.
You can't control everything. Sometimes you just need to relax and have faith that things will work out. Let go a little and just let life happen.
Just as in a good novel， a good program must be full of interesting ideas， and very， very few words.
好的程序应该像优秀的小说一样，充满有趣的思想但非常、非常少的文字。
数学的本质不是使简单的事物复杂化，而是使复杂的事物简单化。