You know, happiness isn't a permanent state. Neither is unhappiness. There's a flow, back and forth

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 purpose of life is to reach a point where you can say 'yes' to all of it.

Sooner or later on this journey, every traveller faces the same question: Are you a human intending to be a god, or a god pretending to be human?

When I take a break, even just a brief one, the creative energy flows in. Only then do I have anything of value to share with others. Once I recognized this, I stopped feeling guilty about taking time for myself.

Only you are responsible for your life and for your life and making it a happy life