John Pettit was a United States Representative and Senator from Indiana. Born in Sackets Harbor, New York, he completed preparatory studies and admitted to the bar in 1831. He moved to Lafayette, Indiana where he commenced practice in 1838; he was a member of the Indiana House of Representatives in 1838-1839 and was United States district attorney from 1839 to 1843. Pettit was elected as a Democrat to the Twenty-eighth, Twenty-ninth, and Thirtieth Congresses; he was an unsuccessful candidate for renomination in 1848. In 1850 he was a delegate to the Indiana state constitutional convention and a presidential elector on the Democratic ticket in 1852. He was appointed to the U.S. Senate to fill the vacancy caused by the death of James Whitcomb and served from January 18, 1853, to March 3, 1855; he was an unsuccessful candidate for reelection in 1854. While in the Senate he was chairman of the Committee on Private Land Claims. During the Senate debate on the Kansas-Nebraska Act of 1854, Pettit argued in favor of expanding slavery to Kansas, and famously said that Jefferson's idea that "all men are created equal" was not a "self-evident truth" but instead "is nothing more to me than a self-evident lie." The debate over Pettit's inflammatory words is credited with reviving Abraham Lincoln's interest in national politics.