1 Corinthians 11:10

For this reason the woman ought to have a symbol of authority on her head, because of the angels.

Surrounding context

11:9 Nor was man created for the woman, but woman for the man.

11:10 For this reason the woman ought to have a symbol of authority on her head, because of the angels.

11:11 Nevertheless, neither is man independent of woman, nor woman independent of man, in the Lord.