Mark 10:8

and be joined to his wife, and they two shall be one flesh: so that they are no longer two, but one flesh.

1 Corinthians 6:16

God forbid! What! know ye not that he who is joined to an harlot is one body with her? for these two, saith he, shall be one flesh.

Ephesians 5:28

Men ought so to love their wives, as their own bodies: he that loveth his wife, loveth himself.

Treasury of Scripture Knowledge

Summary

And they twain shall be one flesh: so then they are no more twain, but one flesh.

General references

Bible References

One flesh

1 Corinthians 6:16
God forbid! What! know ye not that he who is joined to an harlot is one body with her? for these two, saith he, shall be one flesh.
Ephesians 5:28
Men ought so to love their wives, as their own bodies: he that loveth his wife, loveth himself.

General references

Ephesians 5:31
For this cause shall a man leave his father and mother, and shall be joined to his wife, and they two shall be one flesh.