Faith is seeing light with your heart when all your eyes see is darkness! In the book, Arbeely tells Armhad that "faith is believing in something even without proof, because you know it in your heart to be true.
I need to remember this. If you find yourself a bit irritated or overwhelmed, it's a sign that you're spending less time with GOD and more time with this world. Through God's eyes. Spend time with Him!