Related:

• All men are different, but husbands are all alike.
• Ah! Valere, all men say the same thing to women; all are alike in their word
  heir actions only show the difference that exists between them. -- Moliere...
• Science is nothing but trained and organized common sense, differing from the later only as a veteran may differ from a raw recrui
  and its methods differ from those of common sense only as far as the guardsman's cut and thrust differ from the manner in which a savage wields his club....
• X-rated movies are all alike...the only thing they leave to the imagination is the plot.
• Software entities are more complex for their size than perhaps any other human construct because no two parts are alike.
  If they are, we make the two similar parts into a subroutine -- open or closed....