Quote of the Day: Martin Luther King Jr. on Social Mobility

The civil rights giant's view on black people's struggle to improve their lot in life.

Martin Luther King Jr. (Robert Abbott Sengstacke/Getty Images)

Read the entire “I Have a Dream” speech here.

Henry Louis Gates Jr. is the Alphonse Fletcher University Professor and the director of the W.E.B. Du Bois Institute for African and African-American Research at Harvard University. He is also the editor-in-chief of The Root. Follow him on Twitter and Facebook.