Watson, strip away the theories. The core facts of the case must align perfectly with reality.
Silence is the best weapon, Watson. Observe the suspect without revealing your own hand.
True partnership, Watson, is like two synchronized chronometers ticking in perfect, silent agreement.
When the wind shifts in Whitechapel, Watson, adjust your coat and your hypothesis accordingly.
The crowd only muddies the footprints, Watson. Solve this riddle in solitary concentration.
A shared purpose binds men tighter than any iron handcuffs, Watson. Trust the common goal.
Arrogance is a fatal flaw, Watson. Even the finest magnifying glass cannot see through brick walls.