在软件设计中，我们应该追求简单和清晰，避免不必要的复杂性。
So given a Time Turner, I would tell my 21-year-old self that personal happiness lies in knowing that life is not a check-list of acquisition or achievement. Your qualifications, your CV, are not your life, though you will meet many people of my age and older who confuse the two. Life is difficult, and complicated, and beyond anyone’s total control, and the humility to know that will enable you to survive its vicissitudes.
计算的目的是洞察力，而不是数字。
梦想不是去追逐的东西，而是会追逐你的东西。