Matthew 19:8

5 and said, `For this cause a man will leave his father and mother, and will join to his wife; and the two will become one flesh?`

6 So that they are no more two, but one flesh. What therefore God has joined together, don`t let man tear apart."

7 They asked him, "Why then did Moses command us to give her a bill of divorce, and divorce her?"

8 He said to them, "Moses, because of the hardness of your hearts, allowed you to divorce your wives, but from the beginning it has not been so.

9 I tell you that whoever will put away his wife, except for sexual immorality, and will marry another, commits adultery; and he who marries her when she is put away commits adultery."

10 His disciples said to him, "If this is the case of the man with his wife, it is not expedient to marry."

11 But he said to them, "Not all men can receive this saying, but they to whom it is given.