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自然和歷史是地理知識(shí)的兩個(gè)重要來源。

解決一個(gè)數(shù)學(xué)問題就是揭開宇宙拼圖的一塊。

Love is the poetry of the senses.

Leadership in agriculture means listening—to the land, the science, and the people who work it.

The key to success is to keep growing in all areas of life.

Hope is a good thing, maybe the best of things, and no good thing ever dies.