How do you want to be remembered?
In his last sermon, Rev. King spoke about greatness and how he wanted to be remembered at his own funeral. You can listen to the sermon in full, or read a full transcript here.
I hope you will, but I know you might not have time, so at least listen to his closing (abridged) thoughts. These are probably the most famous portions, where he spoke of how he would like to be remembered.

He was a wonderful, wise man. I was really happy to get to his memorial in Atlanta in 2011.
I have not been there, but I saw the new one to him on the National Mall last spring.
I think about this sometimes. How do I want to be remembered? I am hoping mostly for being kind.
Martin Luther King always makes me cry. So much hope. I want to think about the world in that way too.
Kindness is important to me, too.
kindness for me as well. that my family and friends found a haven in me when they needed it.
To be a safe haven is a great kindness. There are so few safe places and people.