Walls define space, but openings connect it to the world.
墙壁定义了空间，但开口将其与世界连接。
不要让恐惧阻止你追求梦想。
你能犯的最大错误就是认为自己什么都知道。
The task of psychology is to discover the laws of mental structure.
I've learned that you can't please everyone, and that's okay.
"The joy of discovery is certainly the liveliest that the mind of man can ever feel."