Unjustified faith is not a virtue; it is foolish. Some claim that faith is primary and reason, introspection, and the senses should be secondary, but the truth is precisely the reverse. The truly virtuous, justified faith is founded on reason, empirical evidence, and direct introspective insight.
Taking faith as primary can and has lead to empty rationalizations, trying to skew the facts to fit the axiom of faith that must be desperately defended against threatening evidence to the contrary. On the other hand, taking faith as secondary leads away from false fanaticism and towards a more informed, wiser, understanding of how human knowledge is provisional, limited, and subject to change in the light of new and better reasons, evidence, and observations.