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.

"Stories can help children understand the world and themselves."

We must always question our assumptions and be willing to revise our understanding in light of new evidence.

安全不是产品，而是一种能力。