Aristotle once said, "It is the mark of an educated mind to be able to entertain a thought without accepting it." Is it not okay to be completely open-minded about any and every concept that is presented to you? Not only this, but is it not okay to sometimes refuse to believe these concepts, due only to your own influence? Actively investigate what you have been told, but do so in a somewhat cautious manner, relying solely on yourself. Nonconformity implicates a courageous heart and an open mind.
How seldom does it occur that the faint-hearted speak against the societal norm of their time. Galileo certainly did not concoct so much controversy over universal perspectives without a great deal of courage and self-worth. Contradicting what the general population believed, he willingly advocated his argument for a heliocentric universe rather than the more familiarized geocentric universe.