Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
The best leaders are those who can see around corners and anticipate what's coming next.
科学更多的是一种思维方式,而不是知识体系。
要在传统和偏见的水平之上飞翔的鸟必须有强壮的翅膀。看到这些软弱的人受伤、疲惫、飘动着回到地球上,真是令人伤心。
The history of all hitherto existing society is the history of class struggles.