To say nothing, especially when speaking, is half the art of diplomacy.
According to the web site http://www.paris-cdg.com/index.html: The three terminals are connected by free shuttle buses and handle over 200,000 passengers daily. Terminal 1 handles international flights, excluding Air France, Terminal 2 Air France and other airlines flying to European destinations and Terminal T9 handles charter flights exclusively.
Unless you are Superman, one hour is not enough time.