创新往往源于对现状的质疑。
Innovation often comes from questioning the status quo.
对生命的研究就是对无限可能性的研究。
父母们想知道为什么溪流是苦的,而他们自己却毒害了泉水。
The success of liberal democracy depends on the ability of its institutions to adapt to changing circumstances.
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.