fear

Deuteronomy 6:13
Fear the LORD your God, serve Him, and take your oaths using only His name.

Deuteronomy 13:4
You are to follow the LORD your God and fear Him. Keep His commandments and listen to His voice; serve Him and hold Him fast.

Matthew 4:10
"Away from me, Satan!" Jesus declared. "For it is written: 'Worship the Lord your God and serve Him only.'"

Luke 4:8
But Jesus replied, "It is written: 'Worship the Lord your God and serve Him only.'"

cleave

Deuteronomy 4:4
But you who held fast to the LORD your God are alive to this day, every one of you.

Deuteronomy 11:22
For if you carefully observe all these commandments I am giving you to follow--to love the LORD your God, to walk in all His ways, and to hold fast to Him--

Deuteronomy 13:4
You are to follow the LORD your God and fear Him. Keep His commandments and listen to His voice; serve Him and hold Him fast.

Joshua 23:8
Instead, you shall hold fast to the LORD your God, as you have done to this day.

Acts 11:23
When he arrived and saw the grace of God, he rejoiced and encouraged them all to abide in the Lord with all their hearts.

Romans 12:9
Love must be sincere. Detest what is evil; cling to what is good.

swear

Deuteronomy 6:13
Fear the LORD your God, serve Him, and take your oaths using only His name.

Psalm 63:11
But the king will rejoice in God; all who swear by Him will exult, for the mouths of liars will be shut.

Isaiah 45:23
By Myself I have sworn; truth has gone out from My mouth, a word that will not be revoked: Every knee will bow before Me, every tongue will confess allegiance.