[ding_dong_daddy_from_dumas]

For 'tis the sport to have the enginer Hoist with his own petar

- William Shakespeare

[GOPJ]

https://en.wiktionary.org/wiki/hoist_by_one%27s_own_petard

“To be hurt or destroyed by one’s own plot or device intended for another; ... He has no one to blame but himself; he was hoisted by his own petard.”

Shakespeare - pure genius...