化学是在分子水平上操纵物质的艺术,而催化是其最强大的画笔。
写作的行为是一种乐观的行为。
The fundamental impulse that sets and keeps the capitalist engine in motion comes from the new consumers' goods, the new methods of production or transportation, the new markets, the new forms of industrial organization that capitalist enterprise creates.
我们最大的弱点在于放弃。成功最可靠的方法就是再多尝试一次。