If I was an artist and I was in the studio, then whatever I was doing in the studio must be art.

The only fence against the world is a thorough knowledge of it.

译文：品德高尚的人常常顺应时势做事，聪明的人会根据时机采取行动。赏析：不能看清社会的现状，不能认清社会的趋势，那就是违背天道，逆天而为，事情自然就不会成功。

科学的遗产是人类的进步。