"And did you have to hack his arms off?†“Yes, I did. He wouldn’t go through the door.†“You say it like you’re proud of it." I was proud of it. It was an example of quick thinking in a difficult situation."
Source : Michael Atiyah (1988). “Collected Works: Michael Atiyah Collected Works: Volume 1: Early Papers; General Papers”, p.214, Oxford University Press