"concentrate yourself upon details" - Baker Street Tube Station / London (Wed 16 Aug 2013)

"concentrate yourself upon details" - Baker Street Tube Station (*) / London (Wed 16 Aug 2013)
Sherlock Holmes (*) from A Case of Identity (*):

Life is infinitely stranger than anything which the mind of man could invent. [..]

Never trust to general impressions, my boy, but concentrate yourself upon details.