幸福不是现成的东西。它来自于你自己的行动。
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.
Innovation is the lifeblood of the petroleum and chemical industry. Only by continuous technological breakthroughs can we achieve sustainable development.