The "sacred" Book

It was my first Christian class for this new semester. Our Sensei had a session where he wanted to explain back all the basics of christianity incase we've forgotten. After an hour or so of talking non-stop, (even those who sat infront of him were sleeping) he started to talk about what is the "sacred" book. Well, here's the part where I had to say to this girl besides me, "If only he tried to listen to the reason why"