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When we speak of 'meaning' a word， we are in the first instance speaking of a certain kind of act.

A Christian is a perfectly free lord of all, subject to none. A Christian is a perfectly dutiful servant of all, subject to all.

The study of Galois representations is a key to unlocking the mysteries of the Langlands program.

I don’t sleep, I rest my eyes.

真正的進步來自于行業(yè)和環(huán)保人士的合作，而非對立。