On ne peut pas comprendre la France sans connaître ses traditions régionales.

Pronunciation: On nuh puh koh-prahn-druh luh Frahnss sahn kuh-neh-truh seh trah-dish-yohn ray-zhee-oh-nahl.

Meaning: You cannot understand France without knowing its regional traditions.

This phrase emphasizes how French culture is deeply rooted in regional diversity—from Breton festivals to Provençal customs—making it essential for anyone truly learning about French society.