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人生在勤,勤则不匮。
人生在世,贵在勤劳。勤劳就不会贫乏。
生活不是等待暴风雨过去,而是要学会在雨中起舞。
奖赏不正确,没有鼓励作用;施刑不正确,也起不到惩戒作用。
The quality of an organization's processes determines the quality of its products and services.
The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.