LOVE Isaiah 56:6-7

"And foreigners who bind themselves to the LORD to minister to him, to love the name of the LORD, and to be his servants, all who keep the Sabbath with out desecrating it and who hold fast to my covenant--these I will bring to my holy mountain and give them joy in my house of prayer. Their burnt offerings and sacrifices will be accepted on my altar; for my house will be called a house of prayer for all nations."

And foreigners who bind themselves to the LORD to minister to him
Isaiah 60:10 "Foreigners will rebuild your walls, and their kings will serve you. Though in anger I struck you, in favor I will show you compassion."
Isaiah 61:5 Strangers will shepherd your flocks; foreigners will work your fields and vineyards.

to love the name of the LORD
Malachi 1:11 "My name will be great among the nations, from where the sun rises to where it sets. In every place incense and pure offerings will be brought to me, because my name will be great among the nations," says the LORD Almighty.

all who keep the Sabbath without desecrating it
Isaiah 56:2 "Blessed is the one who does this--the person who holds it fast, who keeps the Sabbath without desecrating it, and keeps their hands from doing any evil."

these will I bring to my holy mountain
Isaiah 2:2 In the last days the mountain of the LORD's temple will be established as the highest of the mountains; it will be exalted above the hills, and all nations will stream to it.
Ezekiel 20:40 " 'For on my holy mountain, the high mountain of Israel, declares the Sovereign LORD, there in the land all the people of Israel will serve me, and there I will accept them. There I will require your offerings and your choice gifts, along with all your holy sacrifices.' "

Their burnt offerings and sacrifices will be accepted on my altar
Isaiah 19:21 So the LORD will make himself known to the Egyptians, and in that day they will acknowledge the LORD. They will worship with sacrifices and grain offerings; they will make vows to the LORD and keep them.
Romans 12:1 Therefore, I urge you, brothers and sisters, in view of God's mercy, to offer your bodies as a living sacrifice, holy and pleasing to God--this is your true and proper worship.
Philippians 4:18 I have received full payment and have more than enough. I am amply supplied, now that I have received from Epaphroditus the gifts you sent. They are a fragrant offering, an acceptable sacrifice, pleasing to God.
Hebrews 13:15 Through Jesus, therefore, let us continually offer to God a sacrifice of praise--the fruit of lips that openly profess his name.

for my house will be called a house of prayer for all nations
Matthew 21:13 "It is written," he said to them, " 'My house will be called a house of prayer,' but you are making it 'a den of robbers.' "
(Also Luke 19:46 and Mark 11:17)

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.™ Used by permission. All rights reserved worldwide.