"Banach recalled that one defector had stated, I didn’t abandon the USSR, the USSR abandoned me. And he recalled the oath he had taken, with perfect sincerity, at the age of eighteen: I will always be ready to come to the defense of my homeland, the Union of Soviet Socialist Republics… The what? he thought now. What was that you said? The Roman Empire, was it? The Persian Empire, the Hittites?"
January 1, 1970
https://en.wikiquote.org/wiki/Tim_Powers