Frederick Douglass (born Frederick Augustus Washington Bailey, c. February 1817 or February 1818 – February 20, 1895) was an American social reformer, abolitionist, orator, writer, and statesman. He became the most important leader of the movement for African-American civil rights in the 19th century.
Power concedes nothing without demand. It never did, and it never will. Find out just what people will submit to, and you have found out the exact amount of injustice and wrong which will be imposed upon them; and this will continue till they have resisted with either words or blows, or with both. The limits of tyrants are prescribed by the endurance of those whom they suppress.