Quote Originally Posted by wholapola
Which came first, language or thought?
Thought, for sure. Lots of animals which have no language can think. Plus, how could language be possible without thought? Language was invented so that we can communicate our thoughts to others.

Take gorillas for example. Gorillas certainly have reasoning capacities, and they can even make use of primitive tools. And there is at least one case in which a gorilla has been taught some rudimentary sign language to communicate its thoughts to humans.