You have a medical complaint (subjective). How are you going to find out what the problem is? Will you go to a local chiropractor, naturopath, or some other quack (pseudoscientist)? Or, will you go to the appropriate licensed physician/physician extender (science-based practitioner) who can objectively determine the truth?
You are told by a friend that there are space aliens in the military complex in the next town (subjective). Are you going to accept the claim because he or she is a friend who has always been truthful in the past (subjective)? Or, are you going to research the plausibility of the claim and any evidence of such by availing yourself of the findings from recognized experts in the appropriate fields (objective)?
All of your life you have been told about a God who is all-knowing, all-powerful, and all-loving. You have accepted this claim because you have loving family and friends and they all agree that this is The Truth (subjective). You also look around and see a reality that you feel must have been created and you long for a relationship with your creator to feel secure (subjective). Do you accept these claims without objective evidence (on Faith) or do you investigate objectively what science has to say about the claims for a God?
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The word "science" is from the Latin for "knowledge." "Knowledge" is "JUSTIFIED, true belief." In the scenarios above, what actions are justified in understanding objective reality?