One language sets you in a corridor for life. Two languages open every door along the way.~ Frank Smith (and many other quotes on language)

• A different language is a different vision of life. ‒ Federico Fellini
• The limits of my language are the limits of my world. ‒ Ludwig Wittgenstein
• Language is the blood of the soul into which thoughts run and out of which they grow. ‒ Oliver Wendell Holmes
• Learning is a treasure that will follow its owner everywhere.‒ Chinese Proverb
• To have another language is to possess a second soul. ‒ Charlemagne
• Learn everything you can, anytime you can, from anyone you can; there will always come a time when you will be grateful you did. ‒ Sarah Caldwell
• Those who know nothing of foreign languages know nothing of their own.‒ Johann Wolfgang von Goethe
• If you talk to a man in a language he understands, that goes to his head. If you talk to him in his own language, that goes to his heart. ‒ Nelson Mandela
• Language is the road map of a culture. It tells you where its people come from and where they are going– Rita Mae Brown
• Learning is a treasure that will follow its owner everywhere.‒ Chinese Proverb
• I agree that language learning is cool, but I challenge the assumption that it’s difficult.

Man who speaks 11 languages