“Maturity is not a matter of age. You have matured when you are no longer concerned with showing how clever you are, and give your full attention to getting the job done right. Many never reach that stage, no matter how old they get.”
1980s–1990s, Barbarians inside the Gates and Other Controversial Essays (1999)
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Thomas Sowell 101
American economist, social theorist, political philosopher … 1930Related quotes

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Source: After the Quake