Manned flight is impossible. Computers will never be smaller than a house. Space flight is “utter bilge.” The food pyramid.
One doesn’t have to look far to find embarrassing, peer-reviewed, max-credentialed, decades-held-as-orthodoxy proclamations by the most respected experts in the world
— Read on fee.org/articles/why-expert-opinions-so-often-are-dead-wrong/

Bingo