1 Corinthians 11:10

Therefore the woman ought to have authority on her head, on account of the angels.

Matthew 18:10

See that you do not despise one of these little ones; for I say unto you, that their angels in heaven do always behold the face of my Father who is in the heavens.

Hebrews 1:14

Are not all these ministering spirits, having been sent forth unto ministration for the sake of those who are about to inherit salvation?

Treasury of Scripture Knowledge

Summary

For this cause ought the woman to have power on her head because of the angels.

Bible References

Because

Matthew 18:10
See that you do not despise one of these little ones; for I say unto you, that their angels in heaven do always behold the face of my Father who is in the heavens.
Hebrews 1:14
Are not all these ministering spirits, having been sent forth unto ministration for the sake of those who are about to inherit salvation?