Some languages are incredibly old and have changed very little over time, such as modern Icelandic, which strongly resembles its parent, Old Norse.
Although languages are defined by rules, they are by no means static, and evolve over time. Some languages are incredibly old and have changed very little over time, such as modern Icelandic, which strongly resembles its parent, Old Norse. Other languages evolve rapidly by incorporating elements of other languages. Still other languages die out due to political oppression or social assimilation, though many dying languages live on in the vocabularies and dialects of prominent languages around the world.