Romans 8:15

For you did not receive the Holy Spirit, to enslave you again to fear, [Note: Some translators take "Holy Spirit" here to be "spirit," making the verse say "you did not receive the spirit of slavery"], but you received the Holy Spirit [who produces] sonship, so we can call out, "Abba", [which means] "Father."

Hebrews 2:15

And [also He could] release all of those people who, because of their fear of death, were [kept] in bondage all their lives.

Mark 14:36

So, He said, "Abba, [which means] Father, everything is possible with you. Take this cup [i.e., of suffering] away from me; however, let it not be what I want but what you want for me."

1 Corinthians 2:12

But we [apostles] did not receive the spirit of the world [i.e., human wisdom. See verse 6], but the Holy Spirit from God, so that we could understand what was freely given to us from God [i.e., the gift of inspiration. See verses 9-10].

2 Timothy 1:7

For God did not give us a spirit [i.e., a disposition] that makes us cowards but one that gives us power and love and self-control.

1 John 4:18

There is no [reason for] fear if one [really] loves, but a complete love removes fear [from us] because fear produces punishment [i.e., mental anxiety], and the person who is [always] afraid does not have a complete love.

Luke 8:28

And when he saw Jesus, he fell at His feet [i.e., in worship. See Mark 5:6] and shouted out with a loud voice saying, "What do you want with me, Jesus, Son of the Highest God? I beg you, do not torture me."

Luke 8:37

Then all the people around the district of the Gerasenes asked Jesus to leave their area because they were gripped with great fear. So, He entered a boat and returned.

Luke 11:2

And He said to them, "When you pray you should say, 'Father, may your name be highly honored. May your kingdom come [to earth].

Luke 22:42

saying, "Father, if you are willing, take this cup [i.e., of suffering] away from me; nevertheless, let it not be what I want, but what you want [for me]."

John 16:8

And when He does come, He will bring conviction to the world regarding sin [i.e., exposing it and producing guilt], regarding what is right [i.e., upholding godly standards], and regarding judgment [i.e., showing that sin condemns].

John 20:17

Jesus said to her, "Do not hold on to me, for I have not ascended to the Father yet [Note: Apparently Jesus was discouraging Mary from embracing Him in worship as was done in Matt. 28:9, and thereby causing a delay of when the rest of the disciples would learn of His resurrection], but go to my brothers and tell them [I said] 'I am [about] to ascend to my Father and to your Father, and to my God and your God.'"

Acts 2:37

Now when the people heard this message [of Peter and the other apostles, See verse 14], they were convicted [of its truth] in their hearts and said to Peter and the other apostles, "Brothers, what shall we do [about our condemned condition]?"

Acts 16:29

The jailor called for torches [to be brought], then rushed in [to the cell block], shaking with fear, and fell down [on his knees] before Paul and Silas.

Romans 8:16

The Holy Spirit Himself bears testimony [along] with our [human] spirit that we are the children of God.

Romans 8:23

And not just the world, but even we [Christians] ourselves, who have the firstfruits of the Holy Spirit [i.e., the first installment of our inheritance from God] also groan within us, eagerly waiting to be adopted as [God's] children, and receive back our bodies [i.e., in the resurrection].

Galatians 4:5-7

so that He could buy back [from Satan] those who were [still] under [obligation to] the law of Moses, and that we could become adopted children.

Ephesians 1:5

God predetermined that we should be [considered] His adopted children through [fellowship with] Christ. This is what pleased God and is what He wanted,

Ephesians 1:11-14

It is in [fellowship with] Christ that we [Jewish Christians] also were selected as [God's] inheritance [i.e., to receive His never ending blessings], having been predetermined according to the plan of God, who works out everything in harmony with what He wants.

Hebrews 12:18-24

[Unlike the Israelites at Mount Sinai] you [Christians] have not come to a mountain that can be touched and that burned with fire [See Ex. 19:12, 16-19; 20:18-21; Deut. 4:11]; to [a place of] darkness, gloom and wind;

James 2:19

You believe that there is [only] one God; that is good! Even the demons believe [that], and they shudder [with fear at the thought].

Treasury of Scripture Knowledge

Summary

For ye have not received the spirit of bondage again to fear; but ye have received the Spirit of adoption, whereby we cry, Abba, Father.

Bible References

The spirit

Romans 8:16
The Holy Spirit Himself bears testimony [along] with our [human] spirit that we are the children of God.
1 Corinthians 2:12
But we [apostles] did not receive the spirit of the world [i.e., human wisdom. See verse 6], but the Holy Spirit from God, so that we could understand what was freely given to us from God [i.e., the gift of inspiration. See verses 9-10].
Galatians 4:5
so that He could buy back [from Satan] those who were [still] under [obligation to] the law of Moses, and that we could become adopted children.
Ephesians 1:5
God predetermined that we should be [considered] His adopted children through [fellowship with] Christ. This is what pleased God and is what He wanted,

Abba

Mark 14:36
So, He said, "Abba, [which means] Father, everything is possible with you. Take this cup [i.e., of suffering] away from me; however, let it not be what I want but what you want for me."
Luke 11:2
And He said to them, "When you pray you should say, 'Father, may your name be highly honored. May your kingdom come [to earth].
Luke 22:42
saying, "Father, if you are willing, take this cup [i.e., of suffering] away from me; nevertheless, let it not be what I want, but what you want [for me]."
John 20:17
Jesus said to her, "Do not hold on to me, for I have not ascended to the Father yet [Note: Apparently Jesus was discouraging Mary from embracing Him in worship as was done in Matt. 28:9, and thereby causing a delay of when the rest of the disciples would learn of His resurrection], but go to my brothers and tell them [I said] 'I am [about] to ascend to my Father and to your Father, and to my God and your God.'"

General references

Matthew 25:25
and I was afraid, so I went away and hid your talent in the ground. Look, you [can] have your own talent [back].'
Galatians 3:26
For all of you are children of God through your faith in Christ Jesus [as God's only Son].
Hebrews 12:18
[Unlike the Israelites at Mount Sinai] you [Christians] have not come to a mountain that can be touched and that burned with fire [See Ex. 19:12, 16-19; 20:18-21; Deut. 4:11]; to [a place of] darkness, gloom and wind;