In reply to Martin W: it is by Jerome K Jerome, source:
http://www.literaturecollection.com/a/jerome/three-men-bummel/5/
"If a man stopped me in the street and demanded of me my watch, I
should refuse to give it to him. If he threatened to take it by
force, I feel I should, though not a fighting man, do my best to
protect it. If, on the other hand, he should assert his intention
of trying to obtain it by means of an action in any court of law, I
should take it out of my pocket and hand it to him, and think I had
got off cheaply."