It appears some of those who follow that book are severely pessimistic, i.e., have a dismal outlook on our material existence. Why they should inflict their pessimism on upbeat Christians and Jews is a mystery suitable for psychiatrists to unravel.
I read it, Cover to Cover, in English.
Let's say it has quite a few sections that are easy to ignore because they resemble gibberish.
Acting on those could be hazardous to your health.