Freethinking

From Wikipedia

Freethought holds that individuals should neither accept nor reject ideas proposed as truth without recourse to knowledge and reason. Thus, freethinkers strive to build their beliefs on the basis of facts, scientific inquiry, and logical principles, independent of any factual/logical fallacies or intellectually-limiting effects of authority, cognitive bias, conventional wisdom, popular culture, prejudice, sectarianism, tradition, urban legend, and all other dogmatic or otherwise fallacious principles. As such, when applied to religion, the philosophy of freethought holds that, given presently-known facts, established scientific theories, and logical principles, there is insufficient evidence to support the existence of supernatural phenomena.

Of course, any given person presented with the first two sentences (or even the entirety) of this definition will consider himself a paragon of the virtue of “freethought”–and his fellows the unthinking dupes of some establishment or other.

For further info see The Beatles