There is an oath upon her," he said to Arch, and I realized dimly that he was still speaking in Gaelic, though I understood him clearly. "She may not kill, save it is for mercy or her life. It is myself who kills for her.
Diana Gabaldon (2015). “The Outlander Series Bundle: Books 5, 6, 7, and 8: The Fiery Cross, A Breath of Snow and Ashes, An Echo in the Bone, Written in My Own Heart's Blood”, p.1470, Delacorte Press
