Hoist with his own petard
"Hoist with his own petard" is a phrase from a speech in William Shakespeare's play "Hamlet" that has become proverbial . 
<triplet> Hoist with his own petard <subj> William Shakespeare's <obj> author <subj> Hamlet <obj> published in <triplet> William Shakespeare's <subj> Hamlet <obj> notable work <triplet> Hamlet <subj> William Shakespeare's <obj> author