Make sure that your religion is a matter between you and God only.
When we can't think for ourselves, we can always quote
For a truly religious man nothing is tragic.
One can mistrust one's own senses, but not one's own belief.
There is not a philosophical method, though there are indeed methods, like different therapies.
What Copernicus really achieved was not the discovery of a true theory but of a fertile new point of view.