The design of algorithms is both an art and a science.

The past is not a burden but a foundation upon which we build our future.

We are all experiments in progress.

The best marketing strategy is a product so good it markets itself.

翻译：真正的朋友，顺境时不添虚假繁华，逆境时不改变初心，富贵时不忘记旧交，这样的情谊才珍贵。

Purchase the most recent tourist guidebook to your home town or region. You’ll learn a lot by playing the tourist once a year.

适合处理生铁的人并不适合管理生铁。

写作是一种希望的行为，是对文字改变世界力量的信念。