Who said "Death is merely a stepping stone for those of my caliber."?

This quote is attributed to Frieza.

Death is merely a stepping stone for those of my caliber. - Frieza

"Death is merely a stepping stone for those of my caliber."

Frieza Death

"I am the most powerful being in the universe!"

"You dare challenge me? How amusing."

"I have transcended beyond a normal Super Saiyan."

"Your resistance only makes this more entertaining."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."