Convinced that God commands how he wants to be worshipped, John Calvin developed a liturgy that incorporated preaching of the word, prayer, administration of the sacraments, almsgiving, and singing.
The elders have a calling to care for widows. This article shows the grounds for this call and the manner in which such caring must be done.
If polemics is the defence of the truth with the objective of refuting error, then polemics should be part of the calling of the minister. This article gives biblical ground for this call.
This article shows that the most challenge facing believers today is not understanding the Bible, but believing it.