"Nolo Episcopari, a phrase likewise of immemorial use on another occasion "

San Marciano de Siracusa
Creative Commons Attribution Share AlikeSan Marciano de Siracusa - Credit: Marbregal
The expression Nolo Episcopari is used to describe a modest refusal of something which is actually desired.  It translates as ‘I do not want to be bishop.’ Tradition has it that those nominated for the post of bishop would politely decline the offer twice with these words, before accepting.