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The only person you should try to be better than is the person you were yesterday.

積極情緒不是微不足道的奢侈品，而是最佳功能的關鍵必需品。

Peace if possible, truth at all costs.

The beauty of mathematics lies not only in its ability to describe the world but also in its power to reveal the hidden structures that govern it.

If you want to fly, you have to give up the things that weigh you down.

我們每個人，都需要一個能給自己道別之吻的人。

Farmers are the original environmentalists; we must support their work.