1) Not everything that is faced can be changed, but nothing can be changed until it is faced.
2) It is certain, in any case, that ignorance, allied with power, is the most ferocious enemy justice can have.
~ American Novelist James Baldwin, 1924-1987
And for more, the 2016 Documentary, I Am Not Your Negro, that explores the history and context of racism in the United States with some focus on Malcolm X, Martin Luther King Jr, and Medgar Evers.
For the times we live in now, to face what is here.