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The true measure of our success in grain production lies not in the yield alone, but in how we balance productivity with environmental stewardship.
枕上读书,闲适最好;门前风景,雨中更佳
过去是一个异国他乡;他们在那里行事不同。
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
改变世界的阻碍,并非人类的冷漠,而是世界实在太复杂。
如果你掌握了所有事实,你的判断可能是正确的;如果你没有掌握所有事实,你的判断就不可能是正确的。
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.