“Through the centuries men have displayed many different symbols to show that they are Christians. They have worn marks in the lapels of their coats, hung chains about their necks, even had special haircuts. Of course, there is nothing wrong with any of this, if one feels it is his calling. But there is a much better sign – a mark that has not been thought up just as a matter of expediency for use on some special occasion or in some specific era. It is a universal mark that is to last through all the ages of the church till Jesus comes back. What is this mark?” - Francis Schaeffer

Verses 12-17 break down perfectly into this structure:
COMMAND – 12
DEFINITION – 13
CONDITION – 14
FOUNDATION – 15
PURPOSE – 16
RECAP – 17

“We get it, but we don’t have it.” - Zach Elliott

Philos - “‘in a close relationship with another’, as opposed to casual acquaintanceship.”

“All the persons of faith I know are sinners, doubters, uneven performers. We are secure not because we are sure of ourselves but because God is sure of us.” - Eugene Peterson

"Redeemer, the mark is LOVE. You’re already clean! Forgiven! Free and light! So we love! All that we need we have in Christ, so we love! We have been loved and we are appointed to love." - Pastor Mitch