Some things just have to be believed to be seen.
Only in prayer can we learn to love God with all our heart, mind and soul.
Christianity is not a purely intellectual, internal faith. It can only be lived in community.
By striving to prove how much they deserve God's love, legalists miss the whole point of the gospel, that it is a gift from God to people who don't deserve it. The solution to sin is not to impose an ever-stricter code of behavior. It is to know God.
... learning humility is a prerequisite for grace.
Jesus was a master of grace: he attracted sinners and moral outcasts even as he offended the religious and responsible people of his day.