It isn’t until four years later when he finds himself once again on the roof of St Bart’s Hospital that Sherlock finally has to admit Moriarty was right. Crime is common, genius is rare.
Without Jim, he is nothing.

which I find myself constantly walking around in the daytime,
and falling in at night. I miss you like hell.

there […] will lie for all time the most dangerous criminal and the foremost champion of the law of their generation.