taking and understanding pictures from a different point of view

Pictures are to be concerned as good or bad. But what determines a good picture? Is it at all possible to find a common answer to that, since we're living in such an individualistic world were everybody has and take their right of having an own opinion? After all, photography is an art, and cannot be discussed by taste alone. Even generally assumed bad photos could contain a certain beauty, information or technique that makes them attractive or at least interesting. With the task of taking some bad shots, I myself was questioning the notion of a bad picture. Apparently it's quite difficult to make such a bad picture, that nothing in it or behind it has any value or would be concerned as any value, except the fact that it is a snapshot in time. That is one of those characteristics, that makes photography so fascinating; because you are able to freeze a certain moment in the past, which isn't complete or ' true' necessarily.Even now, when I am looking at old photo's, I can catch myself on remembering only some part of the past with the help of the pictures itself, but completely forgot about aspects or emotions that are, so to say, 'behind' the picture but influenced it indeed. A kind of ' coloured' recollection. Although this is not always the case. By just shooting some random bad pictures, the true bad picture unfolded with the help of it's miserable predecessors. To shoot it as well, was much more complicated.And even now, when I am looking back at it, it doesn't seem SOO bad as I thought, and hoped for. Probably Stefano was right; a truly bad picture in all it's aspects could be even harder to make then (by accident) shooting a good one. Not that I know exactly what a truly good picture would be, but that's another question...............