Who said "The weak don't survive. That's nature."?

This quote is attributed to Blade Runner.

The weak don't survive. That's nature. - Blade Runner

"The weak don't survive. That's nature."

Blade Runner Nature

"I've seen things you people wouldn't believe. Attack ships on fire off the shoulder of Orion."

"All those moments will be lost in time, like tears in rain."

"What's it like to be human? I'm not sure anymore."

"I know what I am. The question is, what are you?"

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."