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Extension work is not exhortation. Nor is it exploitation of the people, or advertising of an institution, or publicity work for securing students. It is a plain, earnest, and continuous effort to meet the needs of the people on their own farms and in the localities.

推广工作不是劝勉。也不是为了剥削人民，不是为了宣传某所大学，不是为了保护学生。这是为了满足本地区和本地区人民的需要而作出的朴素、认真和不断的努力。

— Liberty Hyde Bailey 丽波提·海德·贝礼