Augustine of Hippo

Those who assert that sometimes we must lie make inappropriate mention of Abraham as having lied about Sarah whom he called his sister. For he did not say "She is not my wife" but "She is my sister," because Sarah was in fact of a family so closely related that without lying she could be called his sister. This fact Abraham confirmed afterward when Sarah was returned by him who had led her away. …

Against Lying 10.23 ↗