Tell me a famous quote by Martin Luther King Jr.
One famous quote by Martin Luther King Jr. is: "I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character."
Complete the following task based on the instruction and optional input provided.### Instruction:
Tell me a famous quote by Martin Luther King Jr.

### Output:
One famous quote by Martin Luther King Jr. is: "I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin, but by the content of their character."