Watson, diverging paths do not mean enmity; they merely offer two distinct angles of observation.
Watson, do not chase a stray hound; it will return once the scent grows cold.
Watson, a chance encounter in a narrow alleyway often resolves the most complex of cases.
When the carriage wheel is locked, Watson, do not whip the horse. Inspect the axle.
Watson, isolation breeds delusion. Seek an ally in the fog to verify your observations.
Watson, trust the reliable associate who breaks through the locked door to assist you.
Watson, that is no monster in the fog, but a harmless traveler. Clean your lens.