If you want to really understand the Bible, then read the .pdf file in the link. Download it and study it. It doesn't matter if you're a misguided modernist Christian, a heathen atheist or just curious. It makes the Bible crystal clear. There are different time periods spoken of in the Bible. All of the Bible is written for us, but not all of the Bible is written directly to us. https://romansthruphilemon.files.wordpress.com/2011/09/the-gentiles-and-the-law2.pdf .