当你最认为困难的时候，其实就是你最接近成功的时候。
Efficiency without ethics is just speed in the wrong direction.
The most exciting applications of drones haven't even been invented yet.
Anything truly novel is invented only during one’s youth， later one becomes more experienced more famous， and more blockheaded.
忠于自己，那才是真正的炫耀。
The human heart is a complex and often contradictory thing.
我所拥护的文化概念本质上是一个符号学的概念。