"Because yesterdays negatives are moved out of sight from their familiar locations many persons are willing to pretend to themselves that the problems have been solved. I feel that one of the reasons why we are struggling inadequately today is that We reckon our costs on too shortsighted a basis and are later overwhelmed with the unexpected costs brought about by our shortsightedness."
January 1, 1970
https://en.wikiquote.org/wiki/Operating_Manual_for_Spaceship_Earth