Define words and sentences,
How about starting with the simplest possible definitions:
- Words: whitespace delimited sequences of letters.
- Sentences: sets of words delimited by a full stop.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.