Ante-Nicene Fathers, Vol VIII:
Pseudo-Clementine Literature.: Chapter LIV

Chapter LIV.—Other Sayings.

“Whence it is impossible without His teaching to attain to saving truth, though one seek it for ever where the thing that is sought is not.  But it was, and is, in the word of our Jesus.  Accordingly, He, knowing the true things of the law, said to the Sadducees, asking on what account Moses permitted to marry seven, 1006 ‘Moses gave you commandments according to your hard-heartedness; for from the beginning it was not so:  for He who created man at first, made him male and female.’ 1007

Footnotes

[A curious confusion of two Gospel narratives, mistaking the significance of both.—R.]

Matt. 19:8, Mark 10:5, 6.