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Don't complain about what you don't have. Use what you've got. To do less than your best is a sin. Every single one of us has the power for greatness, because greatness is determined by service-to yourself and to others.

Oprah Winfrey, Janet Lowe (1998). “Oprah Winfrey speaks: insight from the world's most influential voice”, John Wiley & Sons
Don't complain about what you don't have. Use what you've got. To do less than your best is a sin. Every single one of us has the power for greatness, because greatness is determined by service-to yourself and to others.