Bohr on predictions

"It's difficult to make predictions, especially about the future."

Niels Bohr

quoted in David R. Bell, Location Is (Still) Everything: The Surprising Influence of the Real World on How We Search, Shop, and Sell in the Virtual One (Seattle: Amazon Publishing, 2014), ch. 6 (Kindle location 3168)

(This comment probably wasn't what led the Nobel committee to give him a prize.)