On Aug. 28, 1963, Dr. Martin Luther King Jr. delivered his iconic "I Have a Dream" speech.
Although the speech is King’s most frequently quoted, the civil rights legend gave many speeches on a range of topics – and they aren't all about "dreams" and "mountaintops."
Here are some of King’s lesser-known quotes:
1. On the rationalization of slavery, from his 1963 collection of sermons "Strength to Love:" "Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity."