创新不是凭空想象,而是基于对用户需求的深刻理解。
化工行业必须在可持续发展方面引领潮流,我们的未来取决于此。
黄金和白银,像其他商品一样,具有内在价值,这不是任意的,而是取决于它们的稀缺性、获取它们所耗费的劳动量以及在矿山中使用的资本价值。
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.
我们今天种植的每一棵树都是留给后代的遗产。
唯一能让你自由的是你自己的思想。