This is a summary of the reasons laid out by Jobes and Silva in their introductory chapter: For anyone interested in history: The Septuagint was the first translation made of any literary work of a size comparable to the Hebrew Bible. “It marks a milestone in human culture.” More manuscripts of the Greek Old Testament […]
A single hour lovingly devoted to the text of the Septuagint will further our exegetical knowledge of the Pauline Epistles more than a whole day spent over a commentary. As quoted in Jobes and Silva, Invitation to the Septuagint, 23.
… There is no such thing as “Septuagint without tears” (indeed, without the affliction of trial-and-error, one seldom learns anything)… Karen Jobes and Moisés Silva, Invitation to the Septuagint, 10.