From Wikipedia....
Sounds about right to me. Continue....The Sith are a group of characters in the Star Wars universe.[1] They are the central antagonists. Characterized by a single-minded pursuit of power and disdain for sentient life, they are an alliance of warrior mages who use the dark side of the Force.[2]
The Sith are portrayed in the Star Wars films as individuals willing to use the dark side to gain power at any cost. The Star Wars prequel films establish that they draw upon strong emotions, both negative and positive, as the source of their power, and care only about themselves. This contrasts with the Jedi, who forsake emotional attachment in order to serve others and the galaxy as a whole.