Answer:
It's to support subject/verb inversion (as in "neither do I" or "so do we"). So 'does' is standing in for the main verb, 'discover' because modern English avoids inverting except with auxiliary verbs such as do, can, will. Without 'does', you'd have to say 'Only by ... views of others DISCOVERS ONE ...' which isn't done in modern English.
Where is this from? then i might be able t help easier
Answer:
A hyperbole is just an exaggerated statement to show emphasis.
Example: My backpack weighs a ton.
It depends what the explanation is about, but I’d say a diagram would be the most effective in most cases.