> wasted too much time and effort trying to come up with elegant math and grand theories that sound plausible but can't be tested Einstein did not believe the

> wasted too much time and effort trying to come up with elegant math and grand theories that sound plausible but can't be tested Einstein did not believe the gravitational waves he predicted could ever be detected. Or so I recall. But stuff like many-worlds interpretation appears fundamentally untestable (add same disclaimer here).