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 happened after the death of Moses the servant of Yahweh, that Yahweh spoke to Joshua the son of Nun, Moses' servant, saying,
Joshua 11:15
As Yahweh commanded Moses his servant, so Moses commanded Joshua. Joshua did so. He left nothing undone of all that Yahweh commanded Moses.
Numbers 27:23
and he laid his hands on him, and commissioned him, as Yahweh spoke by Moses.
Deuteronomy 31:7
Moses called to Joshua, and said to him in the sight of all Israel, "Be strong and courageous: for you shall go with this people into the land which Yahweh has sworn to their fathers to give them; and you shall cause them to inherit it.

Turn not

Deuteronomy 5:32
You shall observe to do therefore as Yahweh your God has commanded you: you shall not turn aside to the right hand or to the left.
Deuteronomy 12:32
Whatever thing I command you, that you shall observe to do: you shall not add thereto, 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
Don't turn to the right hand nor to the left. Remove your 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 you may prosper in all that you do.
1 Kings 2:3
and keep the instruction of Yahweh your God, to walk in his ways, to keep his statutes, his commandments, his ordinances, and his testimonies, according to that which is written in the law of Moses, that you may prosper in all that you do, and wherever you turn yourself.
1 Chronicles 22:13
Then you will prosper, if you observe to do the statutes and the ordinances which Yahweh gave Moses concerning Israel. Be strong, and courageous. Don't be afraid, neither be dismayed.

General references

Deuteronomy 4:2
You shall not add to the word which I command you, neither shall you diminish from it, that you may keep the commandments of Yahweh your God which I command you.
Deuteronomy 15:5
if only you diligently listen to the voice of Yahweh your God, to observe to do all this commandment which I command you this day.
Deuteronomy 29:9
Keep therefore the words of this covenant, and do them, that you may prosper in all that you do.
Joshua 10:8
Yahweh said to Joshua, "Don't fear them, for I have delivered them into your hands. Not a man of them will stand before you."
Psalm 119:4
You have commanded your precepts, that we should fully obey them.