我们在大大小小的事情上束缚自己，缺乏自信，不敢举手，在该向前一步时却退缩。
We hold ourselves back in ways both big and small, by lacking self-confidence, by not raising our hands, and by pulling back when we should be leaning in.
Quality is never an accident; it is always the result of intelligent effort.
实现明天的唯一限制是我们今天的疑虑。
人工智能的关键在于理解如何构建能够从数据中学习的系统。