Your #1 post refers to Hebrews 11, but takes a limited scope of what faith really is. Many equate "faith" to belief, but belief is merely an attitude of choice that makes no demands on anyone to act on what they believe, whereas Paul, throughout Hebrews, makes numerous references to the word, faith. In compiling all those Paulian references, it is obvious that Paul is placing greater assurance that faith is an action word, not one of mere choice to believe something where there is no self-compulsion to act on it. If faith does not drive resulting action, it simply is not faith. A common "Christian" attitude is that faith does not require "works," i.e., action because of faith. Rather, the argument is that faith alone is sufficient. Excuse my French, but, bullshyte. If faith is, as said uyp front in Hebrews 11: 1, that "faith is the assurance of what we hope for," why hope for anything if we're just going to sit on it and not do an ything about it? That makes zero sense.
And acting on faith is absolutely more than based on what we "see," or not [mostly what we don't see], but also what we don't sense by hearing, smelling, tasting, or touching. Basically, our given five senses, which are the basis for empirical evidence; all that science demands. And science is beginning to acknowledge that empirical evidence may actually have additional senses that other animals have [magnetic north, and echo location, for example], which humans do not naturally express, but that does not say these other senses cannot be learned by humans. Science is beginning to recognize that we can. I think faith is an additional sense that some have learned how to use, and many have not.