Who said "Death is not an ending; it's a transition."?

This quote is attributed to Sebastian.

Death is not an ending; it's a transition. - Sebastian

"Death is not an ending; it's a transition."

Sebastian Death

"You're under my spell, so don't try to resist me!"

"I'm not some common scoundrel!"

"Kiss the girl already!"

"The seaweed is always greener in somebody else's lake."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."