Man’s chief end is to glorify God and to enjoy him forever, in all that by which he makes himself known (Shorter Catechism Questions 1, 101). God makes himself known in all his works of creation and providence (WCF 4.1, 5.1). Man’s chief end is therefore to fill the earth with the knowledge of God as the waters cover the sea (Isaiah 11:9).
God’s eternal power and divine nature are clear to reason so that mankind’s root sin of unbelief is without excuse (WCF 1.1; Romans 1:20).
The Gospel calls men everywhere to repent of their sin (root and fruit), to receive God’s forgiveness in Christ, and to seek God’s kingdom in all the relations of life.
The Church is for worship and discipleship; we are to worship God in spirit and truth, singing from the Book of Psalms, which preserves pure and entire the Biblical worldview of creation, fall and redemption (John 4:23; WCF 21.5).
We are to make disciples of all nations, teaching them to observe all that Christ has commanded us (Matthew 28:19-20).