Is There Dark Matter?

i think it's extremely a you know, one should never assume that, just because a person says something, that they are certain about it. Don't accuse people of attaching certainty to their claims unless they actually literally say that that is what they are doing,. ok? The whole talk, the whole discourse of causes and effects, is just completely inappropriate in the context of the existence of the universe. i would say that the sensible thing that seemingly applies is, does everything that happens obey the laws of physics? Now we don't know what the ultimate laws of physics are, so we can't be compatible with them for sure. But things like quantum cosmology, et cetera, show