There are several artists named 'Nirvana'; Nirvana was an American grunge band. The band formed in Aberdeen, Washington in and it was part of the Seattle grunge scene of the late alongside bands like Pearl Jam, Alice in Chains and Soundgarden.
'Yoda and Luke' from "Star Wars" series ~ "Remember.a Jedi’s strength flows from the Force. But beware anger, fear, aggression. The dark side are they. Once you start down the dark path, forever will it dominate your destiny.