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质量从来不是偶然的;它始终是智慧努力的结果。
"Innovation is not just about technology; it's about changing the way we think."
The most important questions of life are, for the most part, really only problems of probability.
I like to tell a story and not explain it. I like to leave it open-ended.
"There is no substitute for books in the life of a child."