Evolution is unproved and unprovable. We believe it only because the only alternative is special creation, and that is unthinkable.
Freedom is an unprovable but unavoidable presupposition, not an article of faith.
This mindless tolerance, which places observable scientific facts, subject to proof, on the same level as unprovable supernatural fantasy, has played a major role in the resurgence of both anti-intellectualism and anti-rationalism.