When I say words and just flashing of words, I don't just mean the actual visual symbol in most cases, but it applies to symbols, "inner voice", etc.
Three examples:
1) When I say the word "three", I know you don't see the "word three" but you probably visualize the numerical symbol "3". The symbol for "3" and the the word "three" are BOTH symbols. Sure, three might be easier to visualize with 3 sticks or 3 balls, but what about the number 2,214,156? How do you visualize that without using words or symbols?
2) If you never had a concept of a language, would you still be a thinking being? Does thinking require a language?
3) What about limitations of perception when it comes to limitation of language? How come some people can only feel a certain way when there is a word in their language to describe that event?
Watch this video here about an African tribe and Westerns describing colors, and how their languages skew their perception:
http://youtu.be/4b71rT9fU-I?t=3m4s
[ame="http://www.youtube.com/watch?v=4b71rT9fU-I"]BBC Horizon: Do you see what I see? "The Himba tribe" - YouTube[/ame]