As you all knows Google is so SMART, no body can stay hide from Google Eyes.

Content is food to Google, Google always love content. So to achieve good ranking, you have good content. Also if the content is new & fresh then it added an advantage to you.

But if you copy the content from any where, then....... if Google finds that the content is copied you will penalized.

Below is the pictorial representation of how Google find the duplicate content