Translate the following English sentence to French:
"The White Paper before us is also the product of contributions from the Commission staff: they knew that the Commission would have to undergo substantial reform in order to become, once again, that internationally-admired institution which was at the heart of European history."
Le Livre blanc que nous avons devant nous représente le fruit de leur contribution. Ils ont compris que seule une Commission réformée en profondeur peut redevenir l'institution admirée sur le plan international qui fut à la base de l'histoire européenne.