Matthew 10:5-6
Jesus made these twelve his missionaries, and gave them these instructions, don't go any where among the Gentiles, nor enter into any city of the Samaritans.
Matthew 15:24
but he answered, my commission was only 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
Jesus made these twelve his missionaries, and gave them these instructions, don't go any where among the Gentiles, nor enter into any city of the Samaritans.
Matthew 15:24
but he answered, my commission was only to the lost sheep of the house of Israel.