Translate the following English sentence to French:
"Insofar as learning or using these languages remains a personal choice, I, for my part, am in favour of any measure to promote their conservation and transmission, since they form part of the cultural heritage of the nations."
Dès lors que leur apprentissage et leur pratique demeurent un choix personnel, je suis, pour ma part, favorable à toute mesure favorisant la conservation et la transmission de ces langues, qui font partie du patrimoine culturel des nations.