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Man's will is free in the sense that man can choose to do anything in keeping with his nature . . . Man's will is not free in that he is limited to his nature

Men, Sin
Henry Clarence Thiessen (1979). “Lectures in Systematic Theology”, p.163, Wm. B. Eerdmans Publishing
Man's will is free in the sense that man can choose to do anything in keeping with his nature . . . Man's will is not free in that he is limited to his nature