计算思维的本质是抽象和自动化。

Power is not a toy we give to children. It is a weapon we place in the hands of soldiers.

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

The heart is a wild animal, and it doesn’t follow rules.

We have a passion for keeping things simple.

不要因为结束而哭泣，微笑吧，为你的曾经拥有。