The Apostle Paul
Romans 1:19BSB·traditional attribution

For what may be known about God is plain to them, because God has made it plain to them.

John Calvin Reformed @genevareformer

19. Inasmuch as what may be known of God, etc. He thus designates what it behoves us to know of God; and he means all that appertains to the setting forth of the glory of the Lord, or, which is the same thing, whatever ought to move and excite us to glorify God.

Matthew Henry Presbyterian @wholebiblehenry

In this last part of the chapter the apostle applies what he had said particularly to the Gentile world, in which we may observe, I. The means and helps they had to come to the knowledge of God. Though they had not such a knowledge of his law as Jacob and Israel had (Psa 147:20), yet among them he left not himself without witness (Act...

Commenting on Romans 1:19-32

John Gill Reformed Baptist @doctorgill

Because that which may be known of God,.... There are some things which could not be known of God by the light of nature; as a trinity of persons in the Godhead; the knowledge of God in Christ as Mediator; the God-man and Mediator Jesus Christ; his incarnation, sufferings, death, and resurrection; the will of God to save sinners by a crucified Jesus; the several...