The most compelling argument for “No god” is, history, paleontology, archaeology and biology.
If you study history carefully and understand archaeology, add evolution to that knowledge, you can not believe in something supernatural.. What I mean by this is…. In the history books we read how the civilizations came and went and along with the civilizations the gods of those civilizations have vanished, and this has been going on over and over again, new gods are invented and killed off, now keep this in mind and consider evolution of varied life forms on the planet, as far as you can see, no other animal worships or believes in any god, so why do humans believe in such supernatural things? it is because of the crucial differentiating factor between humans and other living beings, the crucial differentiating thing is how the brain works, the propensity or the capacity to form complex theories about the surroundings and to assign causality to events…
This particular characteristic is very useful for survival, so natural selection kicks in and selects individuals who form reasonable theories about their surroundings that help in their survival… The human brain goes on discovering more and more, and explains some things that are easy to understand, and then there are events that happen in his/her surroundings that s/he can not explain, he can’t find any causal relationship with anything else that is around, since the brain is getting good at forming theories, it starts making theories about the difficult events, (the human brain would rather have a conspiracy theory to no theory at all, that is how evolution has crafted our brains).
This is the reason humans invent gods, which again was a slow and gradual process, and this is the reason why you see gods or thunder, rain, light earthquakes and rivers and mountains in all civilizations and tribes, each inventing their own versions and giving these phenomenon a name in their own language… Then all this process goes into hyper drive when the communication between individuals becomes more understandable due to developing language…
Now comes the part of evidence to support this theory, and the evidence is in archaeology and paleontology, and evolutionary biology. So, if you combine all these disciplines you will see that gods were man made so you don’t need to believe in those folklore anymore because science can explain the unexplained phenomena, certainly there are some things we still have no clue about, but we don’t need to substitute god for the unknown because there is no need for it, as our history should make it clear. This is why I say there is no way any supernatural entity exists.
For the sake of those interested I want to make a very small correction to your notion of evolution.
First thing, all living organisms have evolved to the same degree.. It’s characteristics are determined by the usefulness of the characteristic that living organism has.. If there is no rate limiting characteristic to an evolutionary change, it might get preserved over generations due to various interacting factors or it might get lost at some point, the rate limiting ones are the ones that matter in evolution mostly, because, for example, if an evolutionary change means that the organism with that trait lives longer and produces many offsprings, then that will eliminate most of the species which do not carry that genotype, hence it is rate limiting.. others which do not have such rate limiting effect will have no effect on continuation of species, and such will be just evolutionary byproducts, which might be very useful, like language in humans… but that is not a very good rate limiting factor..
And for your information, many animals do have some sort of communicating powers, we just don’t understand their language all the time, we do understand some very faintly, but not all,
And one more important thing is, speciation occurs because of accumulated genetic changes, and these genetic changes are dependent on environmental factors, exposure to radiation, genetic replication and such factors, and contrary to popular belief among theists, it is not just a random and chance occurrence.. and these genetic changes happen differently in different geographic, environmental conditions, that is why we see certain marsupials specific to certain areas and so on.. so based on these changes and evolution by natural selection, we get equally evolved species at any given point in time, but we erroneously favor certain particular characteristics that make us human as the yardsticks to measure evolution. That in my opinion is not correct. Just because we love some things about ourselves like overt reasoning and language does not make us superior to any other living organisms.
My best example would be compare yourselves to HIV, it is highly successful at replicating itself and continuing its progeny and it is ruthless at it, but it does not have any language or thought process, which does not matter to it at all.. not even remotely, it is highly evolved to sustain its replication cycle, there is no need for it acquire language.
I hope this is sufficient.
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