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Children have real understanding only of that which they invent themselves, and each time that we try to teach them something too quickly, we keep them from reinventing it themselves.

土地不屬于我們，我們只是從后代那里借來的。

認證計劃是負責任林業實踐的底線，而不是上限。

The individual is the only reality. The further we move away from the individual, the more abstract and unreal we become.

我不考慮年齡。那些告訴我我太老了不能做某事的人，我只是忽略他們。

Success is when preparation meets opportunity.

"The stories we tell about others are often the stories we tell about ourselves."