All kinds of languages are definitely the greatest invention in human history. Without language, we might still hunt for foods in the savannah just like other animals do. The second significant invention is numbers. This might be classified as language, but without numbers, no industry could have been developed.

All kinds of languages are definitely the greatest invention in human history. Without language, we might still hunt for foods in Savannah just like other animals do. The second significant invention is numbers. This might be classified as language, because without numbers, no industry could have been developed.