Every man who prays or prophesies1 with his head covered dishonors his head.
References for 1 Corinthians 11:4
And every woman who prays or prophesies2 with her head uncovered dishonors her head--it is just as though her head were shaved.3
References for 1 Corinthians 11:5
If a woman does not cover her head, she should have her hair cut off; and if it is a disgrace for a woman to have her hair cut or shaved off, she should cover her head.
A man ought not to cover his head, since he is the image4 and glory of God; but the woman is the glory of man.
References for 1 Corinthians 11:7
For man did not come from woman, but woman from man;5
References for 1 Corinthians 11:8
neither was man created for woman, but woman for man.6
References for 1 Corinthians 11:9
For this reason, and because of the angels, the woman ought to have a sign of authority on her head.
In the Lord, however, woman is not independent of man, nor is man independent of woman.
For as woman came from man, so also man is born of woman. But everything comes from God.7
References for 1 Corinthians 11:12
Judge for yourselves: Is it proper for a woman to pray to God with her head uncovered?
Does not the very nature of things teach you that if a man has long hair, it is a disgrace to him,