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森林的真正价值不能仅用板材英尺来衡量。
The true value of a forest cannot be measured in board feet alone.
要养活世界,我们必须先学会倾听土地的声音。
要理解心灵,就要研究它在现实生活中的运作。
No man knows, or ever will know, the truth about the gods and about everything I speak of; for even if one chanced to say the complete truth, yet one knows it not; but seeming is wrought over all things.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.