Mark 10:4–6
4 They said, d“Moses allowed a man to write a certificate of divorce and to send her away.” 5 And Jesus said to them, “Because of your ehardness of heart he wrote you this commandment. 6 But ffrom the beginning of creation, ‘God made them gmale and female.’
Mark 10:10–11
10 And in the house the disciples asked him again about this matter. 11 And he said to them, k“Whoever divorces his wife and marries another commits adultery against her,
Mark 10:12
12 and lif she divorces her husband and marries another, she commits adultery.”