It has to do with seeing God. โBlessed are the pure in heart, for they shall see Godโ (Matthew 5:8).
John PiperThere are two basic restrictions on marriage in the Bible: Number one, she should marry a man. Number two, he should be a Christian.
John PiperI donโt know how people pray who donโt believe in the sovereignty of God to do the impossible. Because all the things I want to happen are impossible. If theyโre possible Iโll do them.
John Piper