Matthew 5:8 (BSB)

Blessed are the pure in heart, for they will see God.

From Matthew 5. Also in the ESV.

Commentary on Matthew 5:8

• John Calvin (Reformed), Calvin's Commentaries on Matthew 5:8: 8. Happy are they who are of a pure heart We might be apt to think, that what is here stated by Christ is in accordance with the judgment of all. Purity of heart is universally acknowledged to be the mother of all virtues. And yet there is hardly one person in a hundred, who does not put craftiness in the place of the greatest virtue.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Matthew 5:3-12: Christ begins his sermon with blessings, for he came into the world to bless us (Act 3:26), as the great High Priest of our profession; as the blessed Melchizedec; as He in whom all the families of the earth should be blessed, Gen 12:3.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Matthew 5:8: Blessed are the pure in heart,.... Not in the head; for men may have pure notions and impure hearts; not in the hand, or action, or in outward conversation only; so the Pharisees were outwardly righteous before men, but inwardly full of impurity; but "in heart".
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Matthew 5:8: Verse 8. Blessed are the pure in heart. That is, whose minds, motives, and principles are pure. Who seek not only to have the external actions correct, but who desire to be holy in heart, and who are so. Man looks on the outward appearance, but God looketh on the heart. They shall see God. There is a sense in which all shall see God, .