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The larger the percentage of the national income taken by taxes the greater the deterrent to private production and employment. When the total tax burden grows beyond a bearable size, the problem of devising taxes that will not discourage and disrupt production becomes insoluble.

Henry Hazlitt (2010). “Economics in One Lesson: The Shortest and Surest Way to Understand Basic Economics”, p.35, Crown Business
The larger the percentage of the national income taken by taxes the greater the deterrent to private production and employment. When the total tax burden grows beyond a bearable size, the problem of devising taxes that