埃塞俄比亚人说他们的神是塌鼻子和黑色的，色雷斯人说他们的神有浅蓝色的眼睛和红色的头发。
The Ethiopians say that their gods are snub-nosed and black, the Thracians that theirs have light blue eyes and red hair.
一本书是作者与读者之间无限的对话。
你必须享受其中。如果你不开心，那有什么意义？
真相很少是纯粹的，也从不简单。
Machine learning is the science of getting computers to act without being explicitly programmed.
技术不仅仅是一种工具，它可以是进步的重要伙伴。