Watson, the case is not yet closed. Do not pack your bags before the final suspect is apprehended.
Striking the match before the gaslamp is fully turned on only wastes the sulfur, Watson. Wait.
Watson, lock the carriage wheels. A stationary observer gathers more data than a runaway cab.
The fog is clearing, Watson. We must board the train now or lose the trail entirely.
This lock requires patience, Watson. Apply steady pressure and the tumblers will eventually yield.
The chemical reaction is complete, Watson. The solution is perfectly clear; our hypothesis is proven.
Do not toast our success with too much brandy, Watson. A dull mind invites new dangers.