 The vow. It's their vertical relationship with God that was the basis of the level of devotion because that's the trust was built on. They made a vow to God. They said, we're going to do our relationship according to God's word. We're going to do it God's way. We're going to be loyal. We're going to be honest. We're going to be true. We're going to be vulnerable. We're going to be committed.