Who said "I've seen enough death to know it's not the worst thing."?

This quote is attributed to Rick Deckard.

I've seen enough death to know it's not the worst thing. - Rick Deckard

"I've seen enough death to know it's not the worst thing."

Rick Deckard Death

"I've seen things you people wouldn't believe."

"All I know is what I know."

"Sometimes I wonder what's real and what isn't."

"We're not so different, you and I."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."