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Mr. Greenberg was an illiterate immigrant, but he worked hard, saved his pennies, and started a small business. It did well, and soon he had enough money to send for the wife and children. The work kept him very busy, so he never had time to learn to write, but the bank was happy to do business with him, even though his signature consisted of two X’s. He prospered, he opened more stores, the kids were transferred to private schools,…


