Everyone has a right to express his or her opinion. Wise people listen to the opinions of others even when they differ from their own. They evaluate their opinion on new evidence and are willing to change when the evidence warrants. A foolish person has fixed opinions and no amount of evidence can sway them from their opinion. They’ll argue and fight over a falsehood never realizing for a moment that the opinion they are defending is not true. Be open to change. Be open to accepting evidence that conflicts with what you believe is accurate.