Though man's heart is naturally impure, and all that is in it, the thoughts, affections, mind, conscience, understanding, and will; yet there is such a thing as pureness of heart; as where the grace of God is; where there it pure love to God, Christ, and to holy and heavenly things and persons; where there is pure and unfeigned faith in Christ, and a purifying hope of eternal life by him; where the Holy Spirit dwells as a sanctifier, and Christ dwells by faith; where there is sincerity and integrity; and where the heart is sprinkled by the blood of Christ from an evil conscience: and, though none are entirely free from impurity of flesh and spirit, yet every good man hates the impurity that is in him, and loves purity, and is desirous of it, and makes use of all means for it; and he loves a man of a pure heart, he loves pureness of heart in himself and others...