Watson, a polished mahogany desk does not make a clever clerk. Look past the varnish to the substance.
Watson, dismiss the carriage. One's own boots provide a far more reliable path through the London mud.
Watson, a chemical reaction cannot be rushed by shaking the beaker. Allow the sediment to settle naturally.
Watson, immersion in a case requires absolute focus. Do not let superficial distractions dilute your resolve.
Watson, a solitary lens has limits. Combine your observations with a trusted colleague to reveal the truth.
Watson, a simple, precise telegram outweighs a mountain of flowery correspondence. Sincerity requires no expensive wrapping.
Watson, the most elegant solution is always the simplest. Strip away the ornament to reveal the bare truth.