For the same things uttered in Hebrew, and translated into another tongue, have not the same force in them: and not only these things, but the law itself, and the prophets, and the rest of the books, have no small difference, when they are spoken in their own language.

Why is Sirach called Ecclesiasticus?

The Greek Church Fathers also called it the "All-Virtuous Wisdom", while the Latin Church Fathers, beginning with Cyprian, termed it Ecclesiasticus because it was frequently read in churches, leading the early Latin Fathers to call it liber ecclesiasticus (Latin and Latinised Greek for "church book").

Is Ecclesiasticus the same as Ecclesiastes?

Two Books of the Bible, Ecclesiastes, which is within canonized Scripture, was written by King Solomon, and this is the New American Standard version; and Ecclesiasticus, from the Apocrypha or "hidden books", was written by a man named Jesus Sirach, and this is the King James version.