How is the Word made effectual to salvation? – Shorter Westminster Catechism

The Spirit of God maketh the reading, but especially the preaching of the Word, an effectual means of convincing and converting sinners, and of building them up in holiness and comfort, through faith, unto salvation.

Shorter Westminster Catechism

What are the outward and ordinary means whereby Christ – Shorter Westminster Catechism

How is the Word to be read and heard, that it may become effectual to salvation? – Shorter Westminster Catechism