Watson, a sudden explosion in the laboratory merely tests your composure. Do not panic; observe the smoke.
The first crack of thunder is startling, Watson, but it reveals the storm's true direction.
Let the dust settle, Watson. Lost items inevitably reappear once the frantic searching ceases.
A sudden jolt of electricity, Watson, can restart a stalled heart or spark a brilliant deduction.
Watson, even the thickest London fog must eventually yield to a brisk, decisive wind. Act now.
Ignore the street noise, Watson. Keep your eye pressed firmly to the microscope's lens.
When the house shakes, Watson, the superior mind calculates the structural integrity rather than screaming.