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It's not about money. It's about the people you have, how you're led, and how much you get it.
A teacher must have a healthy body, the skills of a farmer, the mind of a scientist, the interest in art, and the spirit of social reform.
我们对未来持乐观态度,但我们知道仅靠乐观是不够的。
Biology will relate every human gene to the genes of other animals and bacteria, to this great chain of being.
成功的真正标准是你能从失败中重新站起来的次数。