It is true you cannot eat freedom and you cannot power machinery with democracy. But then neither can political prisoners turn on the light in the cells of a dictatorship.
Only free men can negotiate prisoners cannot enter into contracts. Your freedom and mine cannot be separated.
Racism oppresses its victims but also binds the oppressors who sear their consciences with more and more lies until they become prisoners of those lies. They cannot face the truth of human equality because it reveals the horror of the injustices they commit.
Two prisoners whose cells adjoin communicate with each other by knocking on the wall. The wall is the thing which separates them but is also their means of communication. It is the same with us and God. Every separation is a link.