"You look down and see a tortoise. It’s crawling towards you."

"Tortoise? What’s that?"

"You know what a turtle is?"

"Of course."

"Same thing."

Blade Runner (1982) directed by Ridley Scott, starring Harrison Ford, Rutger Hauer, Sean Young, Edward James Olmos, M. Emmet Walsh, Daryl Hannah, William Sanderson, Brion James, Joe Turkel, Joanna Cassidy, James Hong, Morgan Paull, Kevin Thompson. Based on Do Androids Dream of Electric Sheep? by Philip K. Dick.