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: John Greenleaf Whittier was an American Quaker poet and advocate of the abolition of slavery in the United States. Frequently listed as one of the Fireside Poets, he was influenced by the Scottish poet Robert Burns.