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Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

The reason why men enter into society is the preservation of their property.

解析：吃粗糧，喝清水，彎起胳膊當枕頭，這其中也有著樂趣。

I try to explore the human soul through my work.

外交需要克服短期利益的誘惑，著眼于長遠利益和全球發展。

自由不是沒有主人，而是選擇自己的主人。

解釋：想要給別人加上罪名，難道還找不到借口嗎？

Sustainability is not an option anymore; it's a necessity for the future of agriculture.