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.
Hatred destroys only the hater.
To love beauty is to see light.
为祖国而死是如此值得的命运,以至于所有人都为如此美好的死亡而竞争。