The following article studies the influence of the Old Testament as hypertext in the New Testament. It’s not enough to say that the Greek Bible influenced the writers of the New Testament, it’s necessary to explore the possible relationships. The Author searches that influence starting from a concrete text, the Letter to the Romans –a particular piece: Rom 1,18–3,20– and the main influences of the Old Testament –Isaias, Psalms and Wisdom– based on a written text, the memory or the liturgical use.