on valentine's day

A few years ago, I read something attributed to Martin Luther King Jr. that stayed with me. To my lasting regret, I didn't copy it down, and I haven't been able to trace it since. But to the best of my memory, it went something like this:

Love without justice is merely sentimental and anaemic. Justice without love is rigid and tyrannical. Love, at its highest, is the creation of the conditions that make justice not only possible, but natural. Justice, at its highest, removes all the obstacles to real love.