Who said "I don't know why I do the things I do."?

This quote is attributed to Rick Deckard.

I don't know why I do the things I do. - Rick Deckard

"I don't know why I do the things I do."

Rick Deckard Philosophy

"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."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."