Who said "I don't ask for gratitude. I don't expect it."?

This quote is attributed to Rick Deckard.

I don't ask for gratitude. I don't expect it. - Rick Deckard

"I don't ask for gratitude. I don't expect it."

Rick Deckard Gratitude

"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."

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"