sentences:  This also continued into the age when the practice of the religion of Christianity became legal (see the Ecumenical Councils).The Biblical canon began with the officially accepted books of the Koine Greek Old Testament (which predates Christianity).This "canon", called the Septuagint or "seventy", continues to be the Old Testament of the Orthodox faith, along with the New Testament's Good news (gospels), Revelations and Letters of the Apostles (including Acts of the Apostles and the Epistle to the Hebrews).