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Reason is， and ought only to be the slave of the passions， and can never pretend to any other office than to serve and obey them.

一個(gè)人最危險(xiǎn)的敵人是他自己的口舌。

The greatest theorems are those that reveal hidden connections.

"The future of physics lies not in discovering new particles, but in understanding the deeper principles that govern the behavior of the particles we already know."

The most effective way to promote democracy is not through military intervention but through the slow and steady process of building institutions and promoting economic development.

真実はいつも一つではない。