Courage is resistance to fear, mastery of fear - not absence of fear.

"No man really knows about other human beings. The best he can do is to suppose that they are like himself."

用你拥有的，在你所在的地方，做你能做的事。

抽象的力量在计算机科学中至关重要，它使我们能够专注于问题的本质方面。

你在低谷时做的事情比在好日子时做的更重要。