Romans 2:15

2:15 They show that the work of the law is written in their hearts, as their conscience bears witness and their conflicting thoughts accuse or else defend them,

Romans 5:5

5:5 And hope does not disappoint, because the love of God has been poured out in our hearts through the Holy Spirit who was given to us.

Romans 8:27

8:27 And he who searches our hearts knows the mind of the Spirit, because the Spirit intercedes on behalf of the saints according to God’s will.

Romans 10:1

10:1 Brothers and sisters, my heart’s desire and prayer to God on behalf of my fellow Israelites is for their salvation.