“With malice toward none, with charity for all, with firmness in the right, as God gives us to see the right, let us strive on to finish the work we are in, to bind up the nation’s wounds.” -- Abraham Lincoln, March 4, 1865.

Celebrate Martin Luther King Jr.'s legacy with a look back at 15 of his most powerful quotes, including the iconic 'I Have a Dream' speech and more.