Verses with the word observe in the Old Testament (46 verses):

Exodus 12:17
And ye shall observe the feast of unleavened bread; for in this selfsame day have I brought your armies out of the land of Egypt: therefore shall ye observe this day in your generations by an ordinance for ever.

Exodus 12:24
And ye shall observe this thing for an ordinance to thee and to thy sons for ever.

Exodus 31:16
Wherefore the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant.

Exodus 34:11
Observe thou that which I command thee this day: behold, I drive out before thee the Amorite, and the Canaanite, and the Hittite, and the Perizzite, and the Hivite, and the Jebusite.

Exodus 34:22
And thou shalt observe the feast of weeks, of the firstfruits of wheat harvest, and the feast of ingathering at the year's end.

Leviticus 19:26
Ye shall not eat any thing with the blood: neither shall ye use enchantment, nor observe times.

Leviticus 19:37
Therefore shall ye observe all my statutes, and all my judgments, and do them: I am the LORD.

Numbers 28:2
Command the children of Israel, and say unto them, My offering, and my bread for my sacrifices made by fire, for a sweet savour unto me, shall ye observe to offer unto me in their due season.

Deuteronomy 5:32
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.

Deuteronomy 6:3
Hear therefore, O Israel, and observe to do it; that it may be well with thee, and that ye may increase mightily, as the LORD God of thy fathers hath promised thee, in the land that floweth with milk and honey.

Deuteronomy 6:25
And it shall be our righteousness, if we observe to do all these commandments before the LORD our God, as he hath commanded us.

Deuteronomy 8:1
All the commandments which I command thee this day shall ye observe to do, that ye may live, and multiply, and go in and possess the land which the LORD sware unto your fathers.

Deuteronomy 11:32
And ye shall observe to do all the statutes and judgments which I set before you this day.

Deuteronomy 12:1
These are the statutes and judgments, which ye shall observe to do in the land, which the LORD God of thy fathers giveth thee to possess it, all the days that ye live upon the earth.

Deuteronomy 12:28
Observe and hear all these words which I command thee, that it may go well with thee, and with thy children after thee for ever, when thou doest that which is good and right in the sight of the LORD thy God.

Deuteronomy 12:32
What thing soever I command you, observe to do it: thou shalt not add thereto, nor diminish from it.

Deuteronomy 15:5
Only if thou carefully hearken unto the voice of the LORD thy God, to observe to do all these commandments which I command thee this day.

Deuteronomy 16:1
Observe the month of Abib, and keep the passover unto the LORD thy God: for in the month of Abib the LORD thy God brought thee forth out of Egypt by night.

Deuteronomy 16:12
And thou shalt remember that thou wast a bondman in Egypt: and thou shalt observe and do these statutes.

Deuteronomy 16:13
Thou shalt observe the feast of tabernacles seven days, after that thou hast gathered in thy corn and thy wine:

Deuteronomy 17:10
And thou shalt do according to the sentence, which they of that place which the LORD shall choose shall shew thee; and thou shalt observe to do according to all that they inform thee:

Deuteronomy 24:8
Take heed in the plague of leprosy, that thou observe diligently, and do according to all that the priests the Levites shall teach you: as I commanded them, so ye shall observe to do.

Deuteronomy 28:1
And it shall come to pass, if thou shalt hearken diligently unto the voice of the LORD thy God, to observe and to do all his commandments which I command thee this day, that the LORD thy God will set thee on high above all nations of the earth:

Deuteronomy 28:13
And the LORD shall make thee the head, and not the tail; and thou shalt be above only, and thou shalt not be beneath; if that thou hearken unto the commandments of the LORD thy God, which I command thee this day, to observe and to do them:

Deuteronomy 28:15
But it shall come to pass, if thou wilt not hearken unto the voice of the LORD thy God, to observe to do all his commandments and his statutes which I command thee this day; that all these curses shall come upon thee, and overtake thee:

Deuteronomy 28:58
If thou wilt not observe to do all the words of this law that are written in this book, that thou mayest fear this glorious and fearful name, THE LORD THY GOD;

Deuteronomy 31:12
Gather the people together, men and women, and children, and thy stranger that is within thy gates, that they may hear, and that they may learn, and fear the LORD your God, and observe to do all the words of this law:

Deuteronomy 32:46
And he said unto them, Set your hearts unto all the words which I testify among you this day, which ye shall command your children to observe to do, all the words of this law.

Joshua 1:7
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 withersoever thou goest.

Joshua 1:8
This book of the law shall not depart out of thy mouth; but thou shalt meditate therein day and night, that thou mayest observe to do according to all that is written therein: for then thou shalt make thy way prosperous, and then thou shalt have good success.

Judges 13:14
She may not eat of any thing that cometh of the vine, neither let her drink wine or strong drink, nor eat any unclean thing: all that I commanded her let her observe.

1 Kings 20:33
Now the men did diligently observe whether any thing would come from him, and did hastily catch it: and they said, Thy brother Benhadad. Then he said, Go ye, bring him. Then Benhadad came forth to him; and he caused him to come up into the chariot.

2 Kings 17:37
And the statutes, and the ordinances, and the law, and the commandment, which he wrote for you, ye shall observe to do for evermore; and ye shall not fear other gods.

2 Kings 21:8
Neither will I make the feet of Israel move any more out of the land which I gave their fathers; only if they will observe to do according to all that I have commanded them, and according to all the law that my servant Moses commanded them.

2 Chronicles 7:17
And as for thee, if thou wilt walk before me, as David thy father walked, and do according to all that I have commanded thee, and shalt observe my statutes and my judgments;

Nehemiah 1:5
And said, I beseech thee, O LORD God of heaven, the great and terrible God, that keepeth covenant and mercy for them that love him and observe his commandments:

Nehemiah 10:29
They clave to their brethren, their nobles, and entered into a curse, and into an oath, to walk in God's law, which was given by Moses the servant of God, and to observe and do all the commandments of the LORD our Lord, and his judgments and his statutes;

Psalms 105:45
That they might observe his statutes, and keep his laws. Praise ye the LORD.

Psalms 107:43
Whoso is wise, and will observe these things, even they shall understand the lovingkindness of the LORD.

Psalms 119:34
Give me understanding, and I shall keep thy law; yea, I shall observe it with my whole heart.

Proverbs 23:26
My son, give me thine heart, and let thine eyes observe my ways.

Jeremiah 8:7
Yea, the stork in the heaven knoweth her appointed times; and the turtle and the crane and the swallow observe the time of their coming; but my people know not the judgment of the LORD.

Ezekiel 20:18
But I said unto their children in the wilderness, Walk ye not in the statutes of your fathers, neither observe their judgments, nor defile yourselves with their idols:

Ezekiel 37:24
And David my servant shall be king over them; and they all shall have one shepherd: they shall also walk in my judgments, and observe my statutes, and do them.

Hosea 13:7
Therefore I will be unto them as a lion: as a leopard by the way will I observe them:

Jonah 2:8
They that observe lying vanities forsake their own mercy.