Watson, an unexpected guest has entered our rooms. Observe their boots before you trust their words.
Watson, apply the brake to the carriage immediately. A sudden impulse in this fog is invariably fatal.
Keep the volatile chemical sealed in its flask, Watson. Uncontrolled power invites disaster.
Do not pace the floor, Watson. Conserve your energy until the telegram arrives with the final clue.
Step back from the ledge, Watson. When the ground is crumbling, retreat is the only logical maneuver.
Watson, let the solution crystallize undisturbed in the dark. True genius requires silent, patient incubation.
Do not engage with the madman, Watson. A silent exit defeats him more thoroughly than any blow.