Except he never said that. Like the article the quote is hogwash.
Actually I believe the most common answer Albert Einstein was known to give was “I don’t know”. Apparently once he became famous, people asked him all kinds of questions about things he knew nothing about. I was pretty good at sticking to his field with a few departures.
He wrote a foreward for Robert Hapgood’s book on Hapgood’s theory of crustal displacement. The Theory was wrong but it was a step toward our current ideas on plate tectonics.