The Follies of Experts

Published: Feb. 17, 2017, 9 p.m.

John Gray assesses why experts failed to predict recent seismic events. He says they operated under the long-held but mistaken belief that history unfolds according to predictable patterns. "Human events have no overall direction", he writes, "and history obeys no laws". He discusses how we can prepare ourselves for the "unknowable future". Producer: Adele Armstrong.