"What I had been taught all my life was not true: experience is not the best teacher! Some people learn and grow as a result of their experience; some people don't. Everybody has some kind of experience. It's what you do with that experience that matters."

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Modern psychology teaches that experience is not merely the best teacher, but the only possible teacher.. There is no war between theory and practice. The most valuable experience demands both, and the theory should supplement the practice and not precede it.

— Charles Kettering