Translate the following English sentence to French:
"It is immensely important, and if I had not thought that already, having listened to the remarkable speech by Mr Havel earlier in the day I would have certainly come to that conclusion."
Cela est extrêmement important, et si ce n'était pas déjà mon avis, je serais certainement parvenu à cette conclusion après avoir entendu le discours qu'a tenu aujourd'hui M. Havel.