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

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

A mind is a simulation that simulates itself.

The universe has become not only conscious and aware of itself but capable in some respects of choosing its path into the future--though all three, the consciousness, the knowledge, and the choice, are dispersed over a vast crowd of beings, acting both individually and collectively.

Force is incomplete and therefore has to be fed energy constantly. Power is total and complete in itself and requires nothing from outside.

After all, it isn't the facts of one's environment, but one's attitude toward them, that determines whether one will be defeated or victorious.