The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

我不相信英雄，但我相信那些做英雄事迹的人。

Good can exist without evil， whereas evil cannot exist without good.

When I have been listened to and when I have been heard, I am able to re-perceive my world in a new way and go on. It is astonishing how elements that seem insoluble become soluble when someone listens.

欣赏和喜欢你拥有的东西，而不是你没有的东西，你才能快乐。