Mark 10:8

and the two shall be one flesh: so that they are no longer two but one flesh.

1 Corinthians 6:16

Do ye not know that he that is joined to the harlot is one body? for the two, he says, shall be one flesh.

Genesis 2:24

Therefore shall a man leave his father and his mother, and cleave to his wife; and they shall become one flesh.

Ephesians 5:28

So ought men also to love their own wives as their own bodies: he that loves his own wife loves 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
Do ye not know that he that is joined to the harlot is one body? for the two, he says, shall be one flesh.
Ephesians 5:28
So ought men also to love their own wives as their own bodies: he that loves his own wife loves himself.

General references

Ephesians 5:31
Because of this a man shall leave his father and mother, and shall be united to his wife, and the two shall be one flesh.