The Holy Bible. It taught me that vanitas vanitatum et omnia vanitas.
And quoting it in Latin with no translation is incredibly pompous.
Line out of a movie.
If I know a person lies some of the stuff in a book that teaches honestly, and kindness; they are my first choice for anything.
Are they more talented than let's say a Zuck? No. Would I trust them with my money, or the keys to my house? Yes.
(I don't need a debate. I'm not a bible thumper. I know the bible has some crazy ideas. I do think some people need a reminder that ethics are important, or at least appreciated in some crowds. Do you need a book in order to be a respectable person-- no.)