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The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

The past is never dead. It's not even past.

"The more you try to understand the mirror, the less you know."

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

最好的安全協(xié)議是一種每個(gè)工人都互相照顧的文化。