He must have done it for your sake? "Jess of the Rebel Trail" by H. A. Cody

I should like to be kind to him- for my own sake. "The Obstacle Race" by Ethel M. Dell

" Oh, for the sake of the child, mother! "Apron-Strings" by Eleanor Gates

For Heaven's sake, go on! "A Duet" by A. Conan Doyle

She would have had to, for her child's sake. "The Live Corpse" by Leo Tolstoy