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"The present is a fragile bridge between the past and the future."

Sustainability isn't just about planting trees—it's about planting the right trees in the right places, for the right reasons.

Be kind，for everyone you meet is fighting a hard battle.

Whenever people talk to me about the weather, I always feel certain that they mean something else.

我認為能夠對生活笑是很重要的。

The most powerful thing you can be is yourself.

這句話其實是莎士比亞借哈姆雷特之口說的，但是霍金非常喜歡，曾在自己著作中多次引用，所以很多人誤以為本句話是霍金說的。