“But he needed to be certain before committing to something so—the word, certain, arrested his thoughts. A person can’t be absolutely certain about anything, not certainty in the sense of a mathematical proof. He wasn’t certain about Kate. He saw her, observed her, wanted to be with her. Somehow, he just knew. For reasons already set in his heart, the way he was wired, Josh knew Kate was a person he wanted in his life. She was the proof. Would it be the same way with God?”