If we had a reliable way to label our toys good and bad, it would be easy to regulate technology wisely. But we can rarely see far enough ahead to know which road leads to damnation.
Source: Disturbing the Universe, pt. 1, ch. 1, 1979.
-- Freeman Dyson, (Dec 15 1923-2020), English physicist, educator; He is noted for his works in the field of mathematical physics; professor at Princeton Univeristy, 1953-94.