Martin Luther King, Jr. Day is not just a day in which we celebrate a day off from school. The holiday commemorates the birthday of Martin Luther King Jr., King the top nonviolent activist during the Civil Rights Movement, which successfully and peacefully protested racial discrimination.
Celebrities are using the hashtag on Twitter #MLKDay to share some of his most famous and powerful quotes that he made throughout his life in his speeches that had the most impact on his followers and all people around the world.
Some of the world's biggest celebrities tweeted out his famous words from his "I Have A Dream" speech on Twitter:
Click through the gallery to see what the stars are saying and tell us what you think made MLK special in the comments.