Nah, I doubt Jesùs would approve of such a saying.
Probably just mediaeval peasants mocking the sheep-thieves hanging in the gallows - 'Yeah, see? You got hanged for one flippin' lamb! A sheep woulda been more worth yer while.'
Nah, you're not that age - you could have stopped the outbreak of the First World War had you been Archduke Franz Ferdinand's Scottish exchange partner who very kindly invited him over in late June 1914.
Awww, no!
We were supposed to move weeks ago, but the house flooded so they were sorting that out, and now the date hasn't been arranged for sure. A whole lot of hassle, moving house is.