It's the repetition of affirmations that leads to belief. And once that belief becomes a deep conviction, things begin to happen.
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.
May is a very early time in the year and the weather is usually bad. You cannot run a fast mile race if there is a strong wind, because it makes your running uneven.