
— Michael Crichton, buch Welt in Angst
Welt in Angst. München 2005. ISBN 3-89667-210-X. Nachwort. S. 516. Übersetzer: Ulnke Wasel und Klaus Timmermann
Original englisch: "The “precautionary principle,” properly applied, forbids the precautionary principle. It is self-contradictory. The precautionary principle therefore cannot be spoken of in terms that are too harsh." - State of Fear. HarperCollins 2004. p. 571