"I Have a Dream" (August 28, 1963) is a speech given by Martin Luther King Jr. In his address, King calls for the racial equality, as well as civil rights and liberties for all the people.
The phrases given above, such as "heat of oppression", or "oasis of freedom", further emphasize King's point. The purpose of these phrases is to make an appeal to the emotions of the audience, and point out how badly black people are treated in this society.
