Justin Brierley, a writer and speaker known for bridging conversations between faith perspectives, joins Kaitlyn to tackle the crucial question of God's existence. He distinguishes between knowing and proving God's reality and shares insights on how parents can engage children about faith in today's skeptical world. Brierley advocates for a rational defense of God's existence, touching on concepts like human dignity and the universe's fine-tuning. He emphasizes that faith is a dynamic journey, shaped more by personal experience than just intellectual arguments.