Deuteronomy 31:7

And Moses called to Joshua, and said to him in the sight of all Israel, Be strong and courageous, for thou must go with this people into the land which Jehovah hath sworn unto their fathers to give them; and thou shalt cause them to inherit it.

Deuteronomy 3:28

But charge Joshua, and encourage him and strengthen him; for he shall go over before this people, and he shall put them in possession of the land which thou shalt see.

Deuteronomy 1:38

Joshua the son of Nun, who standeth before thee, he shall go in thither: strengthen him, for he shall cause Israel to inherit it.

Deuteronomy 31:6

Be strong and courageous, fear them not, neither be afraid of them; for Jehovah thy God, he it is that goeth with thee; he will not leave thee, nor forsake thee.

Deuteronomy 31:3

Jehovah thy God, he will go over before thee, he will destroy these nations from before thee, that thou mayest take possession of them: Joshua, he shall go over before thee, as Jehovah hath said.

Deuteronomy 31:23

And Jehovah commanded Joshua the son of Nun, and said, Be strong and courageous; for thou shalt bring the children of Israel into the land which I have sworn unto them; and I will be with thee.

Joshua 1:6

Be strong and courageous, for thou shalt cause this people to inherit the land which I have sworn unto their fathers to give them.

Daniel 10:19

and he said, Fear not, man greatly beloved; peace be unto thee, be strong, yea, be strong. And as he was speaking with me I was strengthened, and I said, Let my lord speak; for thou hast strengthened me.

John 1:17

For the law was given by Moses: grace and truth subsists through Jesus Christ.

Ephesians 6:10

For the rest, brethren, be strong in the Lord, and in the might of his strength.

Treasury of Scripture Knowledge

Summary

And Moses called unto Joshua, and said unto him in the sight of all Israel, Be strong and of a good courage: for thou must go with this people unto the land which the LORD hath sworn unto their fathers to give them; and thou shalt cause them to inherit it.

General references

Bible References

For thou must

Deuteronomy 31:3
Jehovah thy God, he will go over before thee, he will destroy these nations from before thee, that thou mayest take possession of them: Joshua, he shall go over before thee, as Jehovah hath said.
Deuteronomy 1:38
Joshua the son of Nun, who standeth before thee, he shall go in thither: strengthen him, for he shall cause Israel to inherit it.
Deuteronomy 3:28
But charge Joshua, and encourage him and strengthen him; for he shall go over before this people, and he shall put them in possession of the land which thou shalt see.
John 1:17
For the law was given by Moses: grace and truth subsists through Jesus Christ.

General references

Numbers 27:23
And he laid his hands upon him, and gave him commandment, as Jehovah had said through Moses.