Never accept a fact until it has been verified by theory.
It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory.
Something unknown is doing we don't know what-that is what our theory amounts to.
Do not put too much confidence in experimental results until they have been confirmed by theory.
Don't believe the results of experiments until they're confirmed by theory.
If your theory is found to be against the second law of theromodynamics, I give you no hope; there is nothing for it but to collapse in deepest humiliation.