He early saw that colonizing free blacks to Africa would never abolish Slavery but that on the contrary it tended to prolong its detestable existence. He presided at the first meeting of colored people in Philadelphia to remonstrate against the Colonization Society. He was an earnest and liberal friend of the Anti- Slavery Society and almost the last words he was heard to utter were expressions of love and gratitude to William Lloyd Garrison for his exertions in behalf of his oppressed race.