Romans 10:6

But the righteousness that is by faith says: “Do not say in your heart, ‘Who will ascend into heaven?’ (that is, to bring Christ down)

Note Deuteronomy 30:12

BSB · Berean Standard Bible
But the righteousness which is of faith speaketh on this wise, Say not in thine heart, Who shall ascend into heaven? (that is, to bring Christ down from above:)
KJV · King James Version
But the righteousness which is of faith says this, “Don’t say in your heart, ‘Who will ascend into heaven?’ (that is, to bring Christ down);
WEB · World English Bible
But the righteousness which is of faith saith thus, Say not in thy heart, Who shall ascend into heaven? (that is, to bring Christ down:)
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

righteousness
Romans 3:22, 25; Romans 4:13; Romans 9:31; Philippians 3:9; Hebrews 11:7
Say not
The Apostle here takes the general sentiment, and expresses it in his own language; beautifully accommodating what Moses says of the law to his present purpose.
Deuteronomy 30:11–14; Proverbs 30:4
to bring
John 3:12, 13; John 6:33, 38, 50, 51, 58; Ephesians 4:8–10; Hebrews 1:3