Mark 10:11-12

11 And he said to them, "Whoever divorces his wife and marries another, commits adultery against her;
12 and if she divorces her husband and marries another, she commits adultery."

Mark 10:11-12 In-Context

9 What therefore God has joined together, let not man put asunder."
10 And in the house the disciples asked him again about this matter.
11 And he said to them, "Whoever divorces his wife and marries another, commits adultery against her;
12 and if she divorces her husband and marries another, she commits adultery."
13 And they were bringing children to him, that he might touch them; and the disciples rebuked them.
14 But when Jesus saw it he was indignant, and said to them, "Let the children come to me, do not hinder them; for to such belongs the kingdom of God.
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.