Watson, the evidence is mounting. Prepare your notebook before the carriage arrives at the scene.
Watson, a shared hypothesis with Lestrade is useful only if he follows our lead.
When the facts align like gears in a chronometer, Watson, progress is inevitable.
Watson, discard your favorite theory the moment a single fact contradicts it.
Examine the crime scene directly, Watson; secondhand reports are merely diluted truths.
A great detective directs the constabulary without muddying his own boots, Watson.
Watson, sharing our methods with the public ensures the law remains one step ahead.