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To write is to make one's self a echo of the world's soul.

? 有些書應該只是嘗試一下，有些應該被吸收，而有極少數書應該被咀嚼和消化。

Understanding pain at a molecular level opens doors to targeted therapies.

I don't need anyone to hold my hand.

To be free is not to have the power to do anything you want, but to have the power to do what is right.

比騙子更糟的是騙子兼偽君子。

可持續發展不是一種選擇；它是能源未來的必要條件。