理论和实践的区别在于，理论上，理论和实践没有区别，但在实践中，却有区别。

如果你重复今天你做的事情365天，那一年后你会成为你想成为的人吗？

伤人的不是再见，而是随之而来的回忆。

"Writing about the past is a way of making sense of the present and imagining a different future."

The computing scientist's main challenge is not to get confused by the complexities of his own making.