How do we know that the Torah was the same for everyone before the invention of the printing press? Maybe there's some archaeology out there that I'm not aware of ...
How do we know that the rules in the Torah aren't man made chumrahs like present day kasharut shabbat etc?
Where in the Torah does it say that followers are rewarded for practicing chumrahs? Or in another way, how do we know that followers are rewarded for practicing chumrahs, from the Tanach?
Why is it that followers are not allowed to test God? Doesn't that sound a little too convenient for the clergy to say?