The word of God highlights several so-called "subtle" sins which it gives surprising prominence to, such as ingratitude. Paul saw it as a causal sin in his masterful description of the decline of pagan humanity, preceding a sobering list of 20 others we might consider worse. What is ingratitude? How does it lead to other sins? In what ways are we vulnerable to falling to it? How can we seek the opposite positive virtue?

Violent anger can start with an inner bitterness and resentment. But soon it will progress. In the life of a believer it means the rejection of the Sovereignty of God. It is damaging, destructive and will distance our relationship with others. What forms does anger take and how are we to put-off and mortify this subtle sin?

Coming to faith in Christ necessarily involves a crisis. We need to come to an end of ourselves and fully believe the word of Christ. The healing of the Nobleman's son powerfully illustrates the reality of conversion, as he went forward believing Christ had healed his son and given new life.

Do we have zeal for the Lord and for His truth and glory? Zeal means heat and jealousy for God's glory. A willingness to promote and to defend His truth. Some have no zeal, others have a wrong kind of zeal. What is real zeal and how can we cultivate it?