Atheism, of course, has no conception of the power and purposes of God. Here, by contrast, is proof of the unique nature and infallibility of the Scriptures and the revelation of God's purposes for us. Here is the power that comes by hearing Him.

Unique psalms: here David shows us how to summon ourselves to praise. The main subjects are God's forgiveness of, and compassionate acts toward, His people, both flowing from His character, and infinitely exceeding our guilt and inadequacy. The pinnacle of praise then lifts to Heaven.

Why do we believe the things we do, that drive our lives and shape our tastes and decisions? Who gave us our views? Can their truth be tested? Here are today's typical 'values', compared with the rule given by Christ for building a life for now and eternity.

Steeped in mistaken Jewish culture, early converts shunned the Gentiles, but God amazingly transformed them to embrace Gentile salvation. The Word still trains believers to think, saving them from conforming to the unreasoned opinion-culture of social media, and rooting them in obedience to Christ.

Here are Paul's 'stand firm' texts. First, for the faith, embracing doctrine and duties. Secondly, the rooted and grounded analogy of Ephesians 3 – how to maintain living spiritual experience. Thirdly, standing against the wiles of the devil – what they are and how to resist.