Anna Karenina by Part 4 Chapter 22 Page 10

an act of vengeance on his part, and that he did not want. But apart from this, what more than all made divorce seem impossible to Alexey Alexandrovitch was, that by consenting to a divorce he would be completely ruining Anna. The saying of Darya Alexandrovna at Moscow, that in deciding on a divorce he was thinking of himself, and not considering that by this he would be ruining her irrevocably, had sunk into his heart.

And connecting this saying with his forgiveness of her, with his devotion to the children, he understood it now in his own way. To consent to a divorce, to give her her freedom, meant in his thoughts to take from himself the last tie that bound him to life — the children whom he loved; and to take from her the last prop that stayed her on the path of right, to thrust her down to her ruin.