This site is a treasure trove of basic information on many of the world’s languages. Rummage around in this site and marvel at the number and diversity of different languages currently spoken throughout the world. Then consider Chomsky’s fundamental claim: the observed differences among languages are, in critical respects, superficial. What matters are the common features that all languages share (Universal Grammar).
You will find sufficient material here to satisfy your curiosity about one of the world’s leading intellectuals. The focus is on his political views, but there are also references and links to his academic writings in linguistics, philosophy and (latterly) evolutionary theory.