Conversion occurs when God's call suddenly cuts and pierces the heart as never before. It so often comes when a preacher, without histrionics, presents the needs of the soul. Here is the first sermon of the Christian church, that had this effect on thousands.

To what extent are the Ten Commandments written in every heart? Does the apostle redefine the term 'Jew' in showing that Gentiles may be Jews in their hearts? May Christians ever resemble the Jews condemned here for disobedience to the law? Paul provides the answers.

As well as illustrated prophecies, abiding principles of Christian doctrine, witness and worship are plainly taught by the major features of the Tabernacle (often missed or violated by today's evangelicalism). Here they are, with their implicit promises and encouragements.

A prophet of old denounced his generation for shutting their ears to the voice of God, rejecting His call, and refusing to approach Him for help. Here are the steps that lead to a sure discovery of Jesus Christ as Lord and Saviour.

Three times it is said that God gives up and gives over people to their sin. Here are the reasons and the outcome. Here also is the list of 22 sins that increasingly fill an atheistic society like ours, and the opposite traits in Christ's people.