God is God. Because he is God, He is worthy of my trust and obedience. I will find rest nowhere but in His holy will that is unspeakably beyond my largest notions of what he is up to.
The man who cannot obey God cannot say that he loves or trusts his Master. If God knows best then how dare we interfere with His will?
So many commands in the Bible require obedience without us experiencing any conviction to obey them. That is when our faith is truly tested.