Romans 8:39 (BSB)

neither height nor depth, nor anything else in all creation, will be able to separate us from the love of God that is in Christ Jesus our Lord.

From Romans 8. Also in the ESV.

Commentary on Romans 8:39

• John Calvin (Reformed), Calvin's Commentaries on Romans 8:39: 39. Which is in Christ, etc. That is, of which Christ is the bond; for he is the beloved Son, in whom the Father is well pleased. If, then, we are through him united to God, we may be assured of the immutable and unfailing kindness of God towards us.
• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Romans 8:31-39: The apostle closes this excellent discourse upon the privileges of believers with a holy triumph, in the name of all the saints. Having largely set forth the mystery of God's love to us in Christ, and the exceedingly great and precious privileges we enjoy by him, he concludes like an orator: What shall we then say to these things? What use shall we make of all that has been said?
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Romans 8:39: Nor height, nor depth,.... Neither heaven, earth, nor hell, nor any of the inhabitants of either, or anything in either; no high or low place, to be cast down from the one, or into the other; nor the height of honour and prosperity, or the depth of meanness and adversity; nor the height of power, or depth of policy in men or devils; nor any other creature.
• Albert Barnes (Presbyterian), Barnes' New Testament Notes on Romans 8:39: Verse 39. Nor height. This has been variously understood. Some have regarded it as referring to evil spirits in the air; others, to high and lofty speculations in doctrine; others, to heaven--to all that is in heaven. I regard it here as synonymous with prosperity, honour, elevation in this life.