Not quite, but it was the closest pithy quote I could think of to convey the point that things can be false for a long time before they are suddenly true without warning.
How about "Yes, they laughed at Galileo, but they also laughed at Bozo the Clown?"
We heard alllllll the same hype about how revolutionary the blockchain was going to be and look how that turned out.
It's a virtue to point out the emperor has no clothes. It's not a virtue to insist clothes tech is close to being revolutionary and if you just understand it harder, you'd see the space where the clothes go.