SHERLOCK
We are not above nature. He said those words to me. He was leaving me a trail.
MYCROFT
Enough, Sherlock. I really must insist.
SHERLOCK
Everything by design. Not a word out of place.
Survival of the fittest. The most radical, original thought of them all. We are not above nature.
MYCROFT
Sherlock! Enough. You're making no sense.
SHERLOCK
Original. Darwin. We are not above nature. Everything by design.