Acts 2:39
For the promise [of forgiveness and the Holy Spirit] is being given to you [Jews] and to your descendants and [also] to all those who are far away [i.e., Gentiles. See Eph. 2:17]. [This promise is] to as many as [respond to] the Lord, our God's call [through the Gospel, See II Thess. 2:14]."
1 Corinthians 7:14
For the unbelieving husband is set apart [i.e., as an acceptable mate, although not yet saved. See verse 16], through his wife [i.e., her Christian commitment is viewed as having a godly effect on the home], and the unbelieving wife is set apart through the brother [i.e., for the same reason]. Otherwise, your children would be [considered] unclean. [Note: "Unclean" suggests they would be viewed as pagans were it not for one parent being a Christian]. But, as it is, they are set apart as acceptable [i.e., to God, because of the influence of the one Christian parent].