The engagement of the heart in worship is the coming alive of the feelings and emotions and affections of the heart. Where feelings for God are dead, worship is dead.
John PiperSo saving grace, converting grace, for Augustine, is God's giving us a sovereign joy in God that triumphs over all other joys and therefore sways the will. The will is free to move toward whatever it delights in most fully, but it is not within the power of our will to determine what that sovereign joy will be.
John PiperThe wisdom of God devised a way for the love of God to deliver sinners from the wrath of God while not compromising the righteousness of God.
John PiperIt is about the greatness of God, not the significance of man. God made man small and the universe big to say something about himself.
John Piper