Ignorance is the root and stem of all evil.

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

我认为绘画是一种无声的音乐。

"Emotion doesn't need elaborate explanation - sometimes a single brushstroke can convey it all."

自然知识的每一次重大进步，都包含对权威的彻底拒绝。