This message explores aspects of Heb 10 and 1 Cor 14 with reference to public worship. It is to be exercised in preparation for the day Christ’s return; it is essentially a shared event and we are given purposes to fulfil in worship that focuses on the unbeliever and God.

24 And let us consider how to stir up one another to love and good works, 25 not neglecting to meet together, as is the habit of some, but encouraging one another, and all the more as you see the Day drawing near.
Hebrews 10:24-25 English Standard Version (ESV)

24 But if all prophesy, and an unbeliever or outsider enters, he is convicted by all, he is called to account by all,
1 Corinthians 14:24 English Standard Version (ESV)