ealgeone:
The Liturgies are not man made, they were the way the early Christians and early Church worshiped, the same Church that decided, under the Holy Spirit, which scriptures were canonical vs. those that were not, and thus that same Holy Spirit guided the Church throughout the Roman-Greek world to come up with a worship that to coin the Roman axiom, the Rule of Prayer directs the Rule of Faith and vice versa [Lex Orandi Lex Credendi
Can you identify these in the Bible? If not they're no better than the prayers at the end of my old hymn book.