1 Corinthians 7:25,37
Now concerning virgins I have no commandment of the Lord: yet I give my judgment, as one that has obtained mercy of the Lord to be faithful.
Nave's Topical Index—AKJV

Revelation 14:4
These are they which were not defiled with women; for they are virgins. These are they which follow the Lamb wherever he goes. These were redeemed from among men, being the first fruits to God and to the Lamb.
Nave's Topical Index—AKJV