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@secularmerlin
Yes after observing that it is an effective method.
"Effective" in what?
That us why I have confidence in it and not in faith based beliefs which cannot be demonstrated.
What you described is a faith-based belief. You bear "confidence" in a method (scientific method) that provides meaning to an environment (reality) of which you claim you are uncertain. (And no, arbitrary percentages will not suffice; in order to relate your knowledge to that of which you claim you are uncertain would necessitate that you grasp that of which you are uncertain, contradicting that you are uncertain.
When you baldly state something without some demonstration that is by definition a bald assertion. You cannot demonstrate your perceptions to anyone but yourself and peoples perception and senses are testable observably unreliable.
Except, I did demonstrate. I just did not demonstrate in a manner which you can "test." And you have yet to substantiate the necessity of tests as it pertains to existence. Why must existence be tested for?