Monday Mind Maneuver 2

Today's MMM is another cryptogram, mainly because it's an easy fallback thing for me to come up with so quickly for this morning.

MMM Cryptogram #2
Clue: M = A

AMWEORCC JMOOZB AWUPR ZFB AMWEORCC;


ZOGX GUINB JMO AZ BNMB.

- Martin Luther King, Jr.

ANSWER
Highlight the space between the brackets below.
[Darkness cannot drive out darkness; only light can do that.]