The quote is from The Testament of a Furniture Dealer by Ingvar Kamprad, IKEA founder. The original document can be found at:
https://www.inter.ikea.com/en/-/media/InterIKEA/IGI/Financial%20Reports/English_The_testament_of_a_dealer_2018.pdf

Forecasting and S&OP initiatives almost invariably turn into bureaucratic monsters.