After pitching their tent under the stars they went to gather some wood for a fire.
After starting the fire and sitting watching it burn and conjecturing about combustion they laid down to bed.
After some time Holmes woke Watson and asked him to look at the sky and tell him what he saw.
Watson said that he saw many planet’s are stars in the clear sky.
Holmes then asked “what can you deduce from that?”
Watson replied “well with all the stars and planets out there it is very likely some are like earth and also likely some have life on them, and therefore we are not alone in the universe.”
Holmes the responds “ no you idiot it means someone stole our tent.”