"Every person on earth learns it’s lesson by making different mistakes. The only source of knowledge is experience. Experience avoiding the mistakes you already made."

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Whatever I had read as a child about the saints had thrilled me. I could see the nobility of giving one's life for the sick, the maimed, the leper. But there was another question in my mind. Why was so much done in remedying the evil instead of avoiding it in the first place? Where were the saints to try to change the social order, not just to minister to the slaves, but to do away with slavery?

— Dorothy Day