1 Corinthians 7:9-11

Young's Literal Translation

⁹ and if they have not continence -- let them marry, for it is better to marry than to burn;

¹⁰ and to the married I announce -- not I, but the Lord -- let not a wife separate from a husband:

¹¹ but and if she may separate, let her remain unmarried, or to the husband let her be reconciled, and let not a husband send away a wife.