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The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.

可持續林業不是一種選擇，而是我們的責任。

I believe in the power of storytelling to change the world.

The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential.

尋找意義的意志是人的主要動力。