Matthew 5:3 (BSB)

“Blessed are the poor in spirit, for theirs is the kingdom of heaven.

From Matthew 5. Also in the ESV.

Commentary on Matthew 5:3

• John Calvin (Reformed), Calvin's Commentaries on Matthew 5:3: 3. Happy are the poor in spirit. Luke 6:20. Happy (are ye) poor. Luke gives nothing more than a simple metaphor: but as the poverty of many is accursed and unhappy, Matthew expresses more clearly the intention of Christ. Many are pressed down by distresses, and yet continue to swell inwardly with pride and cruelty.
• 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 5:3: Blessed are the poor in spirit,.... Not the poor in purse, or who are so with respect to things temporal: for though God has chosen and called many, who are in such a condition of life, yet not all; the kingdom of heaven cannot be said to belong to them all, or only; but such as are poor in a spiritual sense.
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Matthew 5:3: Verse 3. Blessed are the poor in spirit. The word blessed means happy, referring to that which produces felicity, from whatever quarter it may come. Poor in spirit. Luke says simply, blessed are THE poor. It has been disputed whether Christ meant the poor in reference to the things of this life, or the humble. The gospel is said to be preached to the poor, .