The deepest and most enduring happiness is found only in God. Not from God, but in God.
You can't make yourself saved. This is very threatening to people, even Christians, because of what it seems to say about freedom.
Jerusalem meant one thing for Jesus: certain death.
You don't give God authority over your life. He has it, totally.
Sin carries in it its own misery.
All the money needed to send and support an army of self-sacrificing, joy-spreading ambassadors is already in the church.