The liberty of man consists solely in this: that he obeys natural laws because he has himself recognized them as such, and not because they have been externally imposed upon him by any extrinsic will whatever, divine or human, collective or individual.
Bio: Harry Allen Overstreet was an American writer and lecturer, and a popular author on modern psychology and sociology. His 1949 book, The Mature Mind, was a substantial best-seller that sold over 500,000 copies by 1952.