Matthew 10:6

Rather, go to the lost sheep of the house of Israel.

Jeremiah 50:6

My people have been lost sheep: their shepherds have caused them to go astray; they have turned them away on the mountains; they have gone from mountain to hill; they have forgotten their resting place.

Psalm 119:176

I have gone astray like a lost sheep. Seek your servant, for I don't forget your commandments. A Song of Ascents.

Isaiah 53:6

All we like sheep have gone astray. Everyone has turned to his own way; and Yahweh has laid on him the iniquity of us all.

Acts 3:26

God, having raised up his servant, Jesus, sent him to you first, to bless you, in turning away everyone of you from your wickedness."

Acts 13:46

Paul and Barnabas spoke out boldly, and said, "It was necessary that God's word should be spoken to you first. Since indeed you thrust it from you, and judge yourselves unworthy of eternal life, behold, we turn to the Gentiles.

Jeremiah 50:17

Israel is a hunted sheep; the lions have driven him away: first, the king of Assyria devoured him; and now at last Nebuchadnezzar king of Babylon has broken his bones.

Ezekiel 34:6

My sheep wandered through all the mountains, and on every high hill: yes, my sheep were scattered on all the surface of the earth; and there was none who searched or sought.

Ezekiel 34:8

As I live, says the Lord Yahweh, surely because my sheep became a prey, and my sheep became food to all the animals of the field, because there was no shepherd, neither did my shepherds search for my sheep, but the shepherds fed themselves, and didn't feed my sheep;

Ezekiel 34:16

I will seek that which was lost, and will bring back that which was driven away, and will bind up that which was broken, and will strengthen that which was sick: but the fat and the strong I will destroy; I will feed them in justice.

Matthew 15:24-26

But he answered, "I wasn't sent to anyone but the lost sheep of the house of Israel."

Matthew 18:10

See that you don't despise one of these little ones, for I tell you that in heaven their angels always see the face of my Father who is in heaven.

Luke 15:3-10

He told them this parable.

Luke 24:47

and that repentance and remission of sins should be preached in his name to all the nations, beginning at Jerusalem.

Acts 18:6

When they opposed him and blasphemed, he shook out his clothing and said to them, "Your blood be on your own heads! I am clean. From now on, I will go to the Gentiles!"

Acts 26:20

but declared first to them of Damascus, at Jerusalem, and throughout all the country of Judea, and also to the Gentiles, that they should repent and turn to God, doing works worthy of repentance.

Acts 28:25-28

When they didn't agree among themselves, they departed after Paul had spoken one word, "The Holy Spirit spoke rightly through Isaiah, the prophet, to our fathers,

Romans 11:11-15

I ask then, did they stumble that they might fall? May it never be! But by their fall salvation has come to the Gentiles, to provoke them to jealousy.

1 Peter 2:25

For you were going astray like sheep; but now have returned to the Shepherd and Overseer of your souls.

Treasury of Scripture Knowledge

Summary

But go rather to the lost sheep of the house of Israel.

Bible References

Lost

Matthew 18:11
For the Son of Man came to save that which was lost.
Psalm 119:176
I have gone astray like a lost sheep. Seek your servant, for I don't forget your commandments. A Song of Ascents.
Isaiah 53:6
All we like sheep have gone astray. Everyone has turned to his own way; and Yahweh has laid on him the iniquity of us all.
Jeremiah 50:6
My people have been lost sheep: their shepherds have caused them to go astray; they have turned them away on the mountains; they have gone from mountain to hill; they have forgotten their resting place.
Ezekiel 34:6
My sheep wandered through all the mountains, and on every high hill: yes, my sheep were scattered on all the surface of the earth; and there was none who searched or sought.
Luke 15:3
He told them this parable.
1 Peter 2:25
For you were going astray like sheep; but now have returned to the Shepherd and Overseer of your souls.

General references

Ezekiel 3:4
He said to me, Son of man, go to the house of Israel, and speak my words to them.
Matthew 18:11
For the Son of Man came to save that which was lost.
Luke 19:10
For the Son of Man came to seek and to save that which was lost."
John 4:4
He needed to pass through Samaria.