Romans 10:3

10:3 For ignoring the righteousness that comes from God, and seeking instead to establish their own righteousness, they did not submit to God’s righteousness.

Romans 10:6

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)

Romans 10:10

10:10 For with the heart one believes and thus has righteousness and with the mouth one confesses and thus has salvation.