When changing from a free verse format to a controlled form, the poet's voice will likely change in the following way:
c.The voice will become controlled and distant because there are rules to follow.
Since the poet was used to expressing himself without worrying about rhymes or number of stanzas, and could then let his creativity and overall thoughts flow, changing to a controlled form would likely undermine the poet's words because aesthetics would take away from emotion and wit. The voice would not disappear, but it would certainly be more controlled.
evil is the thought of something. some can't be evil and good because those are two different states of mind. if you believe something is evil the you can't also believe it is good or it will act good