To appreciate the character of the future we are entering, permit an analogy with the automobile, acknowledging the inherent imprecision in any analogy.
But they worry about descending into a valley of imprecision and ineloquence before they master the alternative tricks and tactics required by any new ascent.
Some may call it heresy, but any methodology subject to so much variation, imprecision and even manipulation should not form the basis for equity valuations.
Mr Sedgwick told MPs that the agency had always tried to give MPs accurate information on unresolved cases but there was a "necessary imprecision" about the figures because of the number of years over which they had accumulated.
Like other songs with universal themes - say, REM's Everybody Hurts - the imprecision of the lyric is seen by the many it reaches as a strength and by others as a weakness - a vagueness approaching greeting-card levels.