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统一自然界所有力的挑战是一个多世纪以来推动理论物理学发展的动力。
"You have to believe in yourself when no one else does—that makes you a winner right there."
Love is the only thing that grows when you give it away.
爱是用行动而不是言语来表达的。
You take delight not in a city’s seven or seventy wonders, but in the answer it gives to a question of yours.