observe

Deuteronomy 6:3, 25
Hear, O Israel, and be careful to observe them, so that you may prosper and multiply greatly in a land flowing with milk and honey, just as the LORD, the God of your fathers, has promised you. . . .

Deuteronomy 8:1
You must carefully follow every command I am giving you today, so that you may live and multiply, and enter and possess the land the LORD swore to your fathers.

Deuteronomy 11:32
be careful to follow all the statutes and ordinances that I am setting before you today.

Deuteronomy 24:8
In cases of infectious skin diseases, be careful to diligently follow everything the Levitical priests instruct you. Be careful to do as I have commanded them.

2 Kings 21:8
I will never again cause the feet of the Israelites to wander from the land I gave their fathers, if only they are careful to do all I have commanded them--the whole Law that My servant Moses commanded them."

Ezekiel 37:24
My servant David will be king over them, and there will be one shepherd for all of them. They will follow My ordinances and keep and observe My statutes.

ye shall not

Deuteronomy 4:1, 2
Hear now, O Israel, the statutes and ordinances I am teaching you to follow so that you may live, enter, and take possession of the land that the LORD, the God of your fathers, is giving you. . . .

Deuteronomy 12:32
See that you do everything I command you; do not add to it or subtract from it.

Deuteronomy 17:20
Then his heart will not be exalted above his countrymen, and he will not turn aside from the commandment, to the right or to the left, in order that he and his sons may reign many years over his kingdom in Israel.

Deuteronomy 28:14
Do not turn aside to the right or to the left from any of the words I command you today, and do not go after other gods to serve them.

Joshua 1:7
Above all, be strong and very courageous. Be careful to observe all the law My servant Moses commanded you. Do not turn from it to the right or to the left, so that you may prosper wherever you go.

Joshua 23:6
Be very strong, then, so that you can keep and obey all that is written in the Book of the Law of Moses, not turning aside from it to the right or to the left.

Psalm 125:5
But those who turn aside to crooked ways, the LORD will banish with the evildoers. Peace be upon Israel.

Proverbs 4:27
Do not swerve to the right or to the left; turn your feet away from evil.

2 Peter 2:21
It would have been better for them not to have known the way of righteousness than to have known it and turned away from the holy commandment passed on to them.