"Look, the virgin will become pregnant and have a son, and they will name Him Immanuel," which means "God with us."

This man had four virgin [i.e., unmarried] daughters, who were female prophets [i.e., they spoke by inspiration].

For I am jealous for you with a godly jealousy, because I promised you in marriage to one husband, that I might present you to Christ as a pure virgin.

These people are the ones who did not practice sexual immorality with women, for they were virgins [Note: This probably has reference to people who avoided idolatry]. These are people who followed the Lamb wherever He went. They were purchased from among mankind to be the firstfruits [devoted] to God and to the Lamb.