Mark 10:8

and they shall be -- the two -- for one flesh; so that they are no more two, but one flesh;

1 Corinthians 6:16

have ye not known that he who is joined to the harlot is one body? 'for they shall be -- saith He -- the two for one flesh.'

Genesis 2:24

therefore doth a man leave his father and his mother, and hath cleaved unto his wife, and they have become one flesh.

Ephesians 5:28

so ought the husbands to love their own wives as their own bodies: he who is loving his own wife -- himself he doth love;

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
have ye not known that he who is joined to the harlot is one body? 'for they shall be -- saith He -- the two for one flesh.'
Ephesians 5:28
so ought the husbands to love their own wives as their own bodies: he who is loving his own wife -- himself he doth love;

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 shall be -- the two -- for one flesh;'