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The talent for being happy is appreciating and liking what you have, instead of what you don't have.

過去是一面鏡子，我們在其中看到自己的倒影。

For the eyes of the world now look into space, to the moon and to the planets beyond, and we have vowed that we shall not see it governed by a hostile flag of conquest, but by a banner of freedom and peace.

我是自由的，無論周圍有什么規則。如果我覺得它們可以忍受，我就忍受它們；如果我覺得它們太討厭，我就打破它們。我是自由的，因為我知道只有我自己在道德上對我所做的一切負責。

Every decision we make today echoes in the health of our oceans tomorrow.

It is the peculiar nature of the world to go on spinning no matter what sort of heartbreak is happening.

Sustainability isn’t a trend—it’s a necessity for survival.

Sustainability is not an option, it's a necessity for the energy sector.

數學是宇宙書寫其最深奧秘密的語言。