一幅画需要一点神秘,一些模糊和一些幻想。
A painting requires a little mystery, some vagueness, and some fantasy.
To understand the mind, study its operations in real life.
合作和知识共享对于科学的进步至关重要。
Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.