Our manifest destiny [is] to overspread the continent allotted by Providence for the free development of our yearly multiplying millions.
Authentication Score 3
O'Sullivan, John Louis. United States Magazine and Democratic Review. Volume 17. John Louis O'Sullivan, July 1845-Aug. 1845.
O'Sullivan, John Louis. Quoted in The Louisiana Purchase: A Historical and Geographical Encyclopedia. Written by Junius P. Rodriguez. ABC-CLIO, 2002.