1 Chronicles 28:20

Then David said to Solomon his son, "Be strong and courageous, and do [this]! Do not be afraid and do not be dismayed, for Yahweh God, my God, [is] with you. He will not fail you and will not forsake you until all the work of the service of the house of Yahweh is finished.

1 Chronicles 22:13

Then you will prosper if you take care to do the statutes and judgments which Yahweh commanded Moses concerning Israel. Be strong and be courageous; fear not and do not be dismayed.

Hebrews 13:5

Your lifestyle [must be] free from the love of money, being content with what you have. For he himself has said, "I will never desert you, and I will never abandon you."

Deuteronomy 31:7-8

Then Moses summoned Joshua, and he said to him {in the presence of all Israel}, "Be strong and be courageous, for you will go with this people into the land that Yahweh swore to their ancestors to give to them, and you will give it to them as an inheritance.

Joshua 1:5-9

No one will stand before you all the days of your life. [Just] as I was with Moses, [so] will I be with you; I will not fail you, and I will not forsake you.

1 Chronicles 28:10

Look now, for Yahweh has chosen you to build a house for the sanctuary; be strong and do it!"

Psalm 27:1-2

Yahweh [is] my light and my salvation; whom shall I fear? Yahweh [is] the refuge of my life; of whom shall I be afraid?

Isaiah 41:10

You must not fear, for I [am] with you; you must not be afraid, for I [am] your God. I will strengthen you, indeed I will help you, indeed I will take hold of you with the right hand of my salvation.

Isaiah 41:13

For I, Yahweh your God, [am] grasping your right hand; {it is I who say} to you, "You must not fear; I myself, I will help you.

Romans 8:31

What then shall we say about these [things]? If God [is] for us, who [can be] against us?

1 Corinthians 16:13

Be on the alert, stand firm in the faith, act courageously, be strong.

Treasury of Scripture Knowledge

Summary

And David said to Solomon his son, Be strong and of good courage, and do it: fear not, nor be dismayed: for the LORD God, even my God, will be with thee; he will not fail thee, nor forsake thee, until thou hast finished all the work for the service of the house of the LORD.

He will not fail thee

Bible References

Fear not

Psalm 27:1
Yahweh [is] my light and my salvation; whom shall I fear? Yahweh [is] the refuge of my life; of whom shall I be afraid?
Isaiah 41:10
You must not fear, for I [am] with you; you must not be afraid, for I [am] your God. I will strengthen you, indeed I will help you, indeed I will take hold of you with the right hand of my salvation.
Romans 8:31
What then shall we say about these [things]? If God [is] for us, who [can be] against us?

He will not fail thee

Joshua 1:5
No one will stand before you all the days of your life. [Just] as I was with Moses, [so] will I be with you; I will not fail you, and I will not forsake you.
Hebrews 13:5
Your lifestyle [must be] free from the love of money, being content with what you have. For he himself has said, "I will never desert you, and I will never abandon you."