墙壁定义了空间，但开口将其与世界连接。
Walls define space, but openings connect it to the world.
If we don’t do something now, the world our children inherit will be much poorer than the one we were given.
The best books are those that tell you what you know already.
All the choir of heaven and furniture of earth - in a word， all those bodies which compose the frame of the world - have not any subsistence without a mind.