数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
History is the shadow cast by the present.
你无法回到过去改变开头，但你可以从现在开始改变结局。
The biggest risk is not taking any risk. In a world that’s changing quickly, the only strategy that is guaranteed to fail is not taking risks.
Fishermen are our partners, their interests must come first.
The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.