In cinema, when studying the subject of documentories, we think of "objectivity" as being outside a point of view, and "subjectivity" as a point of view. And the minute you place a camera somewhere, you are getting a point of view, at the very least, an optical point of view. So reality is what "is" and there is no way to see it objectively, because no matter what you do, you are stuck with a point of view. Even if you were to do a film and use editing to get many points of view, you are still stuck with points of view, which can be modified by the editing -- even if the editing were random, your brain searches connections.
So what does it mean to find certainty in it? certainty in your/a point of view?