Looking more closely, this much-duplicated "quote" seems to be a paraphrase of something he wrote in a letter to Heinrich Zaggler in the context of the first world war: "Our entire much-praised technological progress, and civilization generally, could be compared to an axe in the hand of a pathological criminal."

I do think about the AGI problem in much this way, though. E.g. in Just Babies, Paul Bloom wrote:

Families survive the Terrible Twos because toddlers aren’t strong enough to kill with their hands and aren’t capable of using let