In the 19th century, feminism movement during 20th century, two greatest well-known women born in different times, they both proclaimed to maintains women’s rights and appeal women and girls world widely to stand up for themselves. According to the biography Madam C.J. Walker which written by Jim Haskins and Ain’t I a Woman? which is written by Sojourner Truth, writers both presented two formidable and legendary black women either in their biography or speech. Despite bearing some differences of financial independence, the similarities between Madam C.J. Walker and Ain't I a Woman are shown in their experiences of sexism and