Romans 8:15 NKJV

1 Corinthians 2:12 NKJV
Now we have received, not the spirit of the world, but the Spirit who is from God, that we might know the things that have been freely given to us by God.

1 John 4:18 NKJV
There is no fear in love; but perfect love casts out fear, because fear involves torment. But he who fears has not been made perfect in love.

2 Timothy 1:7 NKJV
For God has not given us a spirit of fear, but of power and of love and of a sound mind.

Ephesians 1:5 NKJV
having predestined us to adoption as sons by Jesus Christ to Himself, according to the good pleasure of His will,

Galatians 4:5-7 NKJV
to redeem those who were under the law, that we might receive the adoption as sons. And because you are sons, God has sent forth the Spirit of His Son into your hearts, crying out, “Abba, Father!” Therefore you are no longer a slave but a son, and if a son, then an heir of God through Christ.

Hebrews 2:15 NKJV
and release those who through fear of death were all their lifetime subject to bondage.

Romans 8:16 NKJV
The Spirit Himself bears witness with our spirit that we are children of God,