The interdependence of thought and speech makes it clear that languages are not so much a means of expressing truth that has already been established, but a means of discovering truth that was previously unknown. Their diversity is a diversity not of sounds and signs but of ways of looking at the world.
思考と発話とが相互依存することからわかるように、言語は、既成の事実を捉えるための手段というよりも、未知なる真実を見つけ出すための手段である。その多様性は、音声や記号ではなく世界観の多様性なのだ。