Translate the following English sentence to French:
"I must say that Alex Langer's presence here in the European Parliament is sadly missed. His efforts to build peace should serve as an example, to all of us, on how peaceful coexistence can be achieved."
Je tiens à dire que je ressens fortement l'absence en ce moment, dans ce Parlement, d'Alex Langer, qui a été un architecte de la paix et qui nous a montré à tous comment on instaure la cohabitation entre les peuples.