1839, Truth's son Peter took a job on a whaling ship called the Zone of Nantucket. From 1840 to 1841, she received three letters from him, though in his third letter he told her he had sent five. Peter said he also never received any of her letters. When the ship returned to port in 1842, Peter was not on board and Truth never heard from him again. The result of freedom The year 1843 was a turning point for Baumfree. On June 1, Pentecost Sunday, she changed her name to Sojourner Truth. She chose the name because she heard the Spirit of God calling on her to preach the truth. She told her friends: "The Spirit calls me, and I must go", and left to make her way traveling and preaching about the abolition of slavery. Taking along only a few possessions in a pillowcase, she traveled north, working her way up through the Connecticut River Valley, towards Massachusetts. At that time, Truth began attending Millerite Adventist camp meetings. Millerites followed the teachings of William Miller of New York, who preached that Jesus would appear in 1843–1844, bringing about the end of the world. Many in the Millerite community greatly appreciated Truth's preaching and singing, and she drew large crowds when she spoke. Like many others disappointed when the anticipated second coming did not arrive, Truth distanced herself from her Millerite friends for a time. In 1844, she joined the Northampton Association of Education and Industry in Florence, Massachusetts. Founded by abolitionists, the organization supported women's rights and religious tolerance as well as pacifism. There were, in its four-and-a-half-year history, a total of 240 members, though no more than 120 at any one time. They lived on , raising livestock, running a sawmill, a gristmill, and a silk factory. Truth lived and worked in the community and oversaw the laundry, supervising both men and women. While there, Truth met William Lloyd Garrison, Frederick Douglass, and David Ruggles. Encouraged by the community, Truth delivered her first anti-slavery speech that year. In 1845, she joined the household of George Benson, the brother-in-law of William Lloyd Garrison. In 1846, the Northampton Association of Education and Industry disbanded, unable to support itself. In 1849, she visited John Dumont before he moved west. Truth started dictating her memoirs to her friend Olive Gilbert and in 1850 William Lloyd Garrison privately published her book, The