化学是物质的科学，但我更愿意将其视为变化的科学。
Chemistry is the science of matter, but I prefer to see it as the science of change.
The world is a tragedy to those who feel, but a comedy to those who think.
最有效的经济组织是那些能够将大规模运营的效率与小规模运营的灵活性和创新性结合起来的经济组织。
The realities are that, you know, as a black man, Barack can get shot going to the gas station.
社会进步可以通过女性的社会地位来衡量。
keep fit and don't lose your nerve.
Sustainable fishing is not an option, but a responsibility we must fulfill for future generations.