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To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.

破壞容易建設難。

最好的肥料是農民的影子（意指農民的辛勤勞動）。

"The present is a fragile bridge between the past and the future, and we are all just trying to cross it without falling."

兩個相愛的人，獨自與世界隔絕，這是美麗的。

Democracy is a device that ensures we shall be governed no better than we deserve.