Joshua 1:7

Only be strong and very courageous to observe to do according to all the law, which Moses my servant commanded thee. Turn not from it to the right hand or to the left, that thou may have good success wherever thou go.

Deuteronomy 5:32

Ye shall observe to do therefore as LORD your God has commanded you. Ye shall not turn aside to the right hand or to the left.

Deuteronomy 28:14

and shall not turn aside from any of the words which I command you this day, to the right hand, or to the left, to go after other gods to serve them.

Joshua 11:15

As LORD commanded Moses his servant, so Moses commanded Joshua, and so Joshua did. He left nothing undone of all that LORD commanded Moses.

Deuteronomy 29:9

Keep therefore the words of this covenant, and do them, that ye may prosper in all that ye do.

Numbers 27:23

And he laid his hands upon him, and gave him a charge, as LORD spoke by Moses.

Deuteronomy 12:32

Whatever thing I command you, that shall ye observe to do. Thou shall not add to it, nor diminish from it.

Deuteronomy 31:7

And Moses called to Joshua, and said to him in the sight of all Israel, Be strong and of good courage. For thou shall go with this people into the land which LORD has sworn to their fathers to give them, and thou shall cause them t

Joshua 1:1

Now it came to pass after the death of Moses the servant of LORD, that LORD spoke to Joshua the son of Nun, Moses' minister, saying,

Joshua 1:8

This book of the law shall not depart out of thy mouth, but thou shall meditate on it day and night, that thou may observe to do according to all that is written in it, for then thou shall make thy way prosperous, and then thou sha

1 Kings 2:3

and keep the charge of LORD thy God, to walk in his ways, to keep his statutes, [and] his commandments, and his ordinances, and his testimonies, according to that which is written in the law of Moses, that thou may prosper in all t

1 Chronicles 22:13

Then thou shall prosper, if thou observe to do the statutes and the ordinances which LORD charged Moses with concerning Israel. Be strong, and of good courage. Fear not, neither be dismayed.

Proverbs 4:27

Turn not to the right hand nor to the left. Remove thy foot from evil.

Proverbs 8:20

I walk in the way of righteousness, in the midst of the paths of justice,

Treasury of Scripture Knowledge

Summary

Only be thou strong and very courageous, that thou mayest observe to do according to all the law, which Moses my servant commanded thee: turn not from it to the right hand or to the left, that thou mayest prosper whithersoever thou goest.

Bible References

Which moses

Joshua 1:1
Now it came to pass after the death of Moses the servant of LORD, that LORD spoke to Joshua the son of Nun, Moses' minister, saying,
Joshua 11:15
As LORD commanded Moses his servant, so Moses commanded Joshua, and so Joshua did. He left nothing undone of all that LORD commanded Moses.
Numbers 27:23
And he laid his hands upon him, and gave him a charge, as LORD spoke by Moses.
Deuteronomy 31:7
And Moses called to Joshua, and said to him in the sight of all Israel, Be strong and of good courage. For thou shall go with this people into the land which LORD has sworn to their fathers to give them, and thou shall cause them t

Turn not

Deuteronomy 5:32
Ye shall observe to do therefore as LORD your God has commanded you. Ye shall not turn aside to the right hand or to the left.
Deuteronomy 12:32
Whatever thing I command you, that shall ye observe to do. Thou shall not add to it, nor diminish from it.
Deuteronomy 28:14
and shall not turn aside from any of the words which I command you this day, to the right hand, or to the left, to go after other gods to serve them.
Proverbs 4:27
Turn not to the right hand nor to the left. Remove thy foot from evil.
Proverbs 8:20
I walk in the way of righteousness, in the midst of the paths of justice,

That

Deuteronomy 29:9
Keep therefore the words of this covenant, and do them, that ye may prosper in all that ye do.
1 Kings 2:3
and keep the charge of LORD thy God, to walk in his ways, to keep his statutes, [and] his commandments, and his ordinances, and his testimonies, according to that which is written in the law of Moses, that thou may prosper in all t
1 Chronicles 22:13
Then thou shall prosper, if thou observe to do the statutes and the ordinances which LORD charged Moses with concerning Israel. Be strong, and of good courage. Fear not, neither be dismayed.

General references

Deuteronomy 4:2
Ye shall not add to the word which I command you, neither shall ye diminish from it, that ye may keep the commandments of LORD your God which I command you.
Deuteronomy 15:5
if only thou diligently hearken to the voice of LORD thy God, to observe to do all this commandment which I command thee this day.
Deuteronomy 29:9
Keep therefore the words of this covenant, and do them, that ye may prosper in all that ye do.
Joshua 10:8
And LORD said to Joshua, Fear them not, for I have delivered them into thy hands. There shall not a man of them stand before thee.
Psalm 119:4
Thou have commanded thy precepts, that we should observe them diligently.