Translate the following English sentence to French:
"To achieve this, however, we must respect all the diversity of our various heritages, all our differences, and the only way to do this is to invoke the subsidiarity principle."
Mais pour cela, il faut respecter toutes les diversités de notre patrimoine, toutes nos différences, et il n' y a que le recours au principe de subsidiarité qui puisse le permettre.