Quotes by Stamp Collecting It would be hard to conceive of any activity more useless than stamp collecting. Dave Barry stamp-collecting useless would-be That which is not measurable is not science. That which is not physics is stamp collecting. Ernest Rutherford stamp-collecting stamps physics Don't let me catch anyone talking about the Universe in my department. Ernest Rutherford stamp-collecting talking science In science there is only physics; all the rest is stamp collecting. Lord Kelvin stamp-collecting physics science All of science can be divided into physics and stamp-collecting. Lord Kelvin stamp-collecting stamps physics