To rectify past blunders is impossible, but we might profit by the experience of them.

All life is experience, and one level is exchanged for another only when its lesson is learned.

You learn from a conglomeration of the incredible past - whatever experience gotten in any way whatsoever.

Experience is the only teacher we have.

Most of the learning that you had as a merchant - especially back then - came from the people around you, so it's really learning on the job and principles coming out like - back then, we didn't really sign contracts, and we had some vendor agreements to make sure we could pay people, but your handshake was your agreement.

I went to graduate school and paid good money to get an education that's worth something, but I learned more in the first six months at Walmart than I learned in 5 1/2 years of post-secondary education.