Matthew 19:8
He said to them, Moses because of the hardness of your hearts suffered you to put away your wives: but from the beginning it was not so.
Topicalbible.org—AKJV

1 Corinthians 7:8-9
I say therefore to the unmarried and widows, It is good for them if they abide even as I.
Topicalbible.org—AKJV