Watson, a train does not leave the station without steam. Gather your facts before you accelerate.
Watson, adjust your microscope before analyzing the specimen. Haste now will only distort the evidence.
The London fog eventually clears, Watson. Stand firm and keep your lantern burning steadily.
A successful investigation requires Scotland Yard and Baker Street to pull in the same direction, Watson.
Hesitation in the dark alleyways of London invites danger, Watson. Commit to your stride or retreat.
Watson, ignore the public's opinion of our methods. Focus solely on the logical progression of the case.
The time for observation has passed, Watson. We must spring the trap immediately.