A picture book is like a theater where the audience can walk around on stage.
No matter what he does, every person on earth plays a central role in the history of the world. And normally he doesn't know it.
跨团队合作带来突破性的想法。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.