As Dr. Marian explains, while you may well think you speak only one language, in fact there is no such thing as a monolingual person. Some people speak Spanish, some Mandarin. Some speak poetry, some seem to speak only math. The human brain is built to use multiple languages, and using more languages opens doors to all kinds of creativity, brain health, and self-control. Every new language that we speak extracts and interprets information differently. That alters what we remember, how we perceive ourselves and the world around us, how we feel, the insights we have, the decisions we make, and the actions we take. Language is an invaluable tool for organizing, processing, and structuring information and thereby unleashing radical creativity.