Watson, do not theorize before you have data. Observe the room quietly and let the facts present themselves.
A single drop of condensation on the window, Watson, foretells the coming freeze. Watch the minor details.
The simplest explanation is usually correct, Watson. True genius lies in effortless alignment with the facts.
Keep your revolver in your pocket, Watson. A hidden asset is far more lethal when unexpected.
Silence is sometimes the most eloquent defense, Watson. Keep your counsel and observe from the shadows.
True character, Watson, is like a gold sovereign hidden in a dusty drawer. It requires no ostentation.
When two stubborn forces collide in the London fog, Watson, both will bleed. Avoid unnecessary friction.
The steady drip of water carves the stone, Watson. Methodical persistence outlasts the most violent storm.