Translate the following English sentence to French:
"Mr Poettering, it goes without saying that Commissioner Patten' s participation in this debate is most opportune, and we have agreed that I will allow him to speak when he so wishes."
Monsieur Poettering, il va de soi que l' intervention du commissaire Patten, dans ce débat, est tout à fait opportune. Et nous sommes convenus que je lui donnerai la parole au moment où il le souhaitera.