写作是让不可见之物可见。
To write is to make the invisible visible.
如果你的工艺危害环境,那你不是在鞣制,而是在掠夺。
我们的目标是组织世界上的信息,使其普遍可访问和有用。
A mathematician is a device for turning coffee into theorems.
The best time to plant a tree was 20 years ago. The second best time is now.