The rocks may be hard, but our resolve must be harder.
资本主义本质上是一种经济变革的形式或方法，不仅从未静止，而且永远不可能静止。
所有人类行为都有以下七个原因中的一个或多个：机会、自然、强迫、习惯、理性、激情和欲望。
The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.
每一种化合物都必须有确定的组成，这可以用其元素的符号来表示。
Sustainability isn't a trend—it's the future of dairy farming.