Matthew 10:5-6

These twelve Jesus sent forth after he had charged them, saying: Go not into the road that leads to the Gentiles, and enter not a city of the Samaritans.

Matthew 15:24

But he answered and said: I am not sent but to the lost sheep of the house of Israel.

Treasury of Scripture Knowledge

Summary

Behold, I will put a fleece of wool in the floor; and if the dew be on the fleece only, and it be dry upon all the earth beside, then shall I know that thou wilt save Israel by mine hand, as thou hast said.

Bible References

Only

Matthew 10:5
These twelve Jesus sent forth after he had charged them, saying: Go not into the road that leads to the Gentiles, and enter not a city of the Samaritans.
Matthew 15:24
But he answered and said: I am not sent but to the lost sheep of the house of Israel.