I have no doubt that in reality the future will be vastly more surprising than anything I can imagine. Now my own suspicion is that the Universe is not only queerer than we suppose, but queerer than we can suppose.

J.B.S. Haldane (1892-1964) English geneticist [John Burden Sanderson Haldane]

“On Being the Right Size,” Possible Worlds and Other Papers (1927)

Sometimes attributed to Arthur Stanley Eddington.