You can't just think. You have to know. You have to believe. That's how I can do magic- it's not just chanting, it's willpower. Chanting is just my way of channeling that will.

[He lifts a hand between them, a few crackles of lightning appearing effortlessly around his fingertips without him speaking a single word.]

When you know you've got the power, and you know that you can do it, it gets easier the more you believe in yourself.