She stared at Raven in a long second of shocked silence, before sagging to the floor.

The Professor gripped his axe, having pulled it, with some difficulty, from the boy's head.

An action, to have moral worth, must be done from duty.

Value your parabatai," he said. "For it is a precious bond. All love is precious. It is why we do what we do. Why do we fight demons? Why are they not fit custodians of this world? What makes us better? It is because they do not build, but destroy. They do not love, but hate only. We are human and fallible, we Shadowhunters. But if we did not have the capability to love, we could not guard humans; we must love to guard them. My parabatai, he loved like few ever could love, with all and everything. I see you are like that too; it burns more brightly in you than the fire of Heaven

There's no time like the present to love deeply, claim our power and live our purpose!

The degree of freedom we enjoy outwardly is a reflection of the degree of love we cultivate inwardly.