All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
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.
The world needs energy, and our job is to provide it responsibly.
We don't just produce energy, we produce opportunity.