Deuteronomy 5:32

"[So] you must be careful to do [just] as Yahweh your God commanded you; you shall not turn [to the] right or [to the] left.

Deuteronomy 17:20

[so as] not to exalt his heart above his countrymen and not to turn aside from the commandment to the right or to the left, so that {he may reign long over his kingdom}, he and his children in the midst of Israel."

Deuteronomy 28:14

And you [shall] not turn aside from {any of} the words that I [am] commanding you {today} [to the] right or left by going after other gods to serve them.

Joshua 1:7

Only be strong and very courageous {to observe diligently the whole law} that Moses my servant commanded you. Do not turn aside from it, [to] the right or left, so that you may succeed {wherever you go}.

Joshua 23:6

Be very strong to observe carefully all that is written in the scroll of the law of Moses so as not to turn aside from it, [to] the right or left,

Proverbs 4:27

Do not swerve right or left; remove your foot from evil.

Deuteronomy 4:1-2

"Now, Israel, listen to the rules and to the regulations that I [am] teaching you to do, in order that you may live and you may go [in] and you may take possession of the land that Yahweh, the God of your ancestors, [is] giving to you.

Deuteronomy 6:3

And you shall hear, Israel, and be careful to observe [these instructions], so that {it may go well for you} and that you may multiply greatly, [just] as Yahweh, the God of your ancestors, {promised} you, [in] a land with milk and honey.

Deuteronomy 6:25

And it shall be righteousness for us if we diligently observe [and] do all [of] this commandment {before} Yahweh our God, as he has commanded us.'

Deuteronomy 8:1

"All of the commandments that I [am] commanding you today you must diligently observe, so that you may live and multiply, and you may go and take possession of the land that Yahweh swore to your ancestors.

Deuteronomy 11:32

and you must diligently {observe} all the rules and the regulations that I [am] setting {before you} {today}."

Deuteronomy 12:32

All of the things that I [am] commanding you, {you must diligently observe}; you shall not add to it, and you shall not take away from it."

Deuteronomy 24:8

Be watchful {with respect to} [an] outbreak of [any] infectious skin disease, by being very careful and by acting according to all that the priests and the Levites have instructed you, [just] as I have commanded them, {so you shall diligently observe}.

2 Kings 21:8

I will not again make the feet of Israel wander from the land which I have given to their ancestors, if they only observe to do according to all that I have commanded them, as far as the law that Moses my servant commanded them."

Psalm 125:5

But regarding those who turn aside to their crooked ways, Yahweh will lead them away with the evildoers. Peace [be] upon Israel.

Ezekiel 37:24

" '"And my servant David [will be] king over them, and one shepherd will be for all of them, and in my regulations they will go, and my statutes they will observe, and they will do them.

2 Peter 2:21

For it would have been better for them not to have known the way of righteousness than having known [it], to turn back from the holy commandment that had been delivered to them.

Treasury of Scripture Knowledge

Summary

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

Bible References

Ye shall not

Deuteronomy 4:1
"Now, Israel, listen to the rules and to the regulations that I [am] teaching you to do, in order that you may live and you may go [in] and you may take possession of the land that Yahweh, the God of your ancestors, [is] giving to you.
Deuteronomy 12:32
All of the things that I [am] commanding you, {you must diligently observe}; you shall not add to it, and you shall not take away from it."
Deuteronomy 17:20
[so as] not to exalt his heart above his countrymen and not to turn aside from the commandment to the right or to the left, so that {he may reign long over his kingdom}, he and his children in the midst of Israel."
Deuteronomy 28:14
And you [shall] not turn aside from {any of} the words that I [am] commanding you {today} [to the] right or left by going after other gods to serve them.
Joshua 1:7
Only be strong and very courageous {to observe diligently the whole law} that Moses my servant commanded you. Do not turn aside from it, [to] the right or left, so that you may succeed {wherever you go}.
Joshua 23:6
Be very strong to observe carefully all that is written in the scroll of the law of Moses so as not to turn aside from it, [to] the right or left,
Psalm 125:5
But regarding those who turn aside to their crooked ways, Yahweh will lead them away with the evildoers. Peace [be] upon Israel.
Proverbs 4:27
Do not swerve right or left; remove your foot from evil.
2 Peter 2:21
For it would have been better for them not to have known the way of righteousness than having known [it], to turn back from the holy commandment that had been delivered to them.

General references

Deuteronomy 7:11
And [so] you shall keep the commandment and the rules and the regulations that I [am] commanding you {today} to observe them.
Deuteronomy 8:1
"All of the commandments that I [am] commanding you today you must diligently observe, so that you may live and multiply, and you may go and take possession of the land that Yahweh swore to your ancestors.
Deuteronomy 11:32
and you must diligently {observe} all the rules and the regulations that I [am] setting {before you} {today}."
Psalm 119:4
You have commanded your precepts, that [we] should keep [them] diligently.