Falsifiability for a theory is great, but a theory can still be respectable even if it is not falsifiable, as long as it is verifiable.
Brian GreeneQuantum Mechanics is different. Its weirdness is evident without comparison. It is harder to train your mind to have quantum mechanical tuition, because quantum mechanics shatters our own personal, individual conception of reality
Brian GreeneBut, as Einstein once said, โFor we convinced physicists, the distinction between past, present, and future is only an illusion, however persistent.โ5
Brian Greene