What are some pros and cons about an active human imagination?

Question:

What are some pros and cons about an active human imagination?

A Midsummer Night's Dream (Shakespeare) has many insights to drawbacks and benefits of an active human imagination, and portraying the effects an overactive imagination may have on society. What are some pros and cons about imagination?

Best Answer - Chosen by Asker:

Pro; When you think that you can be anything that you want to be.
Con; When you realise that you can't.