Is reading the Bible inside a toilet okay?

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Yesterday, my faeces entered my rectum, and I felt like carrying out a process: Defecation (for those who doesn't know what's this, go google it) . And I simply grabbed a book from my bookshelf on my way to the washroom, for I knew I was going to constipate. I wonder, is there a 'thou shalt not' for reading 'New Testament' in the washroom? Is it an insult? Sinner