Translate the following English sentence to French:
"The basis for all this is that we should be encouraging individual innovation and entrepreneurship, as group action begun by the individual will help revitalise an area internally."
Tout se base sur l'encouragement de l'innovation et de l'esprit d'entreprise individuels car la mobilisation des masses, qui commence chez les individus, aboutit à un renouvellement interne de la zone.