Isaiah 56:4

For thus says Yahweh, "To the eunuchs who keep my Sabbaths, and choose the things that please me, and hold fast my covenant:

Joshua 24:15

If it seems evil to you to serve Yahweh, choose this day whom you will serve; whether the gods which your fathers served that were beyond the River, or the gods of the Amorites, in whose land you dwell: but as for me and my house, we will serve Yahweh."

2 Samuel 23:5

Most certainly my house is not so with God, yet he has made with me an everlasting covenant, ordered in all things, and sure, for it is all my salvation, and all [my] desire, although he doesn't make it grow.

Psalm 119:111

I have taken your testimonies as a heritage forever, for they are the joy of my heart.

Isaiah 27:5

Or else let him take hold of my strength, that he may make peace with me. Let him make peace with me."

Isaiah 55:3

Turn your ear, and come to me; hear, and your soul shall live: and I will make an everlasting covenant with you, even the sure mercies of David.

Isaiah 56:2

Blessed is the man who does this, and the son of man who holds it fast; who keeps the Sabbath from profaning it, and keeps his hand from doing any evil."

Isaiah 56:6

Also the foreigners who join themselves to Yahweh, to minister to him, and to love the name of Yahweh, to be his servants, everyone who keeps the Sabbath from profaning it, and holds fast my covenant;

Jeremiah 50:5

They shall inquire concerning Zion with their faces turned toward it, [saying], Come, and join yourselves to Yahweh in an everlasting covenant that shall not be forgotten.

Luke 10:42

but one thing is needed. Mary has chosen the good part, which will not be taken away from her."

Hebrews 6:17

In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath;

Treasury of Scripture Knowledge

Summary

For thus saith the LORD unto the eunuchs that keep my sabbaths, and choose the things that please me, and take hold of my covenant;

Bible References

Choose

Joshua 24:15
If it seems evil to you to serve Yahweh, choose this day whom you will serve; whether the gods which your fathers served that were beyond the River, or the gods of the Amorites, in whose land you dwell: but as for me and my house, we will serve Yahweh."
Psalm 119:111
I have taken your testimonies as a heritage forever, for they are the joy of my heart.
Luke 10:42
but one thing is needed. Mary has chosen the good part, which will not be taken away from her."

Take hold

Isaiah 27:5
Or else let him take hold of my strength, that he may make peace with me. Let him make peace with me."
Isaiah 55:3
Turn your ear, and come to me; hear, and your soul shall live: and I will make an everlasting covenant with you, even the sure mercies of David.
2 Samuel 23:5
Most certainly my house is not so with God, yet he has made with me an everlasting covenant, ordered in all things, and sure, for it is all my salvation, and all [my] desire, although he doesn't make it grow.
Jeremiah 50:5
They shall inquire concerning Zion with their faces turned toward it, [saying], Come, and join yourselves to Yahweh in an everlasting covenant that shall not be forgotten.
Hebrews 6:17
In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath;

General references

Genesis 17:9
God said to Abraham, "As for you, you will keep my covenant, you and your seed after you throughout their generations.
Exodus 20:8
"Remember the Sabbath day, to keep it holy.
Leviticus 25:45
Moreover of the children of the aliens who live among you, of them you may buy, and of their families who are with you, which they have conceived in your land; and they will be your property.
Numbers 9:14
"'If a foreigner lives among you, and desires to keep the Passover to Yahweh; according to the statute of the Passover, and according to its ordinance, so shall he do. You shall have one statute, both for the foreigner, and for him who is born in the land.'"
Deuteronomy 29:9
Keep therefore the words of this covenant, and do them, that you may prosper in all that you do.