“For this cause shall a man leave his father and mother, and shall be joined unto his wife, and they two shall be one flesh.”
King James Version (KJV)
5:31 For this cause - Because of this intimate union. #Gen 2:24|.
Eph 5:31 For this cause, etc. This verse is quoted from Ge 2:24. It speaks not only a fact of the marriage state, but also implies that Christ left the Father for the sake of his mystical Bride.