The Book of Sirach (or Ecclesiasticus)

The Book of Sirach (Ecclesiasticus; abbreviated Ecclus.) is a Jewish work, originally in Hebrew, of ethical teachings, from approximately 200 to 175 BCE, written by the Judahite scribe Ben Sira of Jerusalem, on the inspiration of his father Joshua son of Sirach, sometimes called Jesus son of Sirach or Yeshua ben Eliezer ben Sira.

In Egypt, it was translated into Greek by the author's unnamed grandson, who added a prologue. This prologue is generally considered the earliest witness to a canon...