To write is to give oneself over to the world, to let the world in, and to let it change you.

老年人相信每一件事物；中年人猜疑每一件事物；青年人什么都懂。

It is easier to write an incorrect program than understand a correct one.

通过不属于我们的模式来解释我们的现实，只会让我们越来越陌生，越来越不自由，越来越孤独。

Customer loyalty is earned, never given.

Positive emotions broaden our awareness and allow us to see more possibilities.

计算复杂性理论的发展向我们展示了并非所有问题都是平等的。