"Avada Kedavra."
"There is no good and evil, there is only power, and those too weak to seek it."
"I have grown stronger than I was, more terrible, more powerful."
"Fear of a name increases fear of the thing itself."
"Failure and death they are but shadows to me."
All quotes by Voldemort
"Death doesn't scare me anymore."
"Death and I are old friends."
"Welcome to my world."
"Death is just the beginning."
All Death quotes