While there are a great many church traditions and history lessons that can be explored and explained, oftentimes the best way to understand “Why we do what we do” on various holy days throughout the year is to look at the use of Scripture on and around those days.

Ash Wednesday is rich with scriptural material to explain its purpose and position in the church calendar.

By far the best place to start is the traditional first reading at the mass, or service of Holy Communion. Normally this would be an Epistle but Ash Wednesday is one of the extremely rare occasions that called for an Old Testament lesson instead: Joel 2:12-17. (Modern Prayer Books often appoint verses 1 & 2 as well.) This is one of the iconic calls to corporate fasting in the writings of the Prophets, and even on its own stands as a remarkably clear introduction to the season of Lent. Reading this text aloud almost feels like issuing a public announcement in and to the Church. We now call a solemn assembly to consecrate a fast with weeping and mourning, to rend our hearts and not our garments, for all of us old and young have sinned against the Lord and are called to repent.

This is followed by the traditional Gospel, Matthew 6:16-21 (again, with modern lectionaries often adding verses 1-4 for further context). Here, Jesus is teaching us us how to go about fasting, as if in response to Joel’s proclamation to begin a communal time of fasting. “When” (not if!) “you fast, do not look gloomy… [but] anoint your head and wash your face so that your fasting may not be seen by others.” As if Joel wasn’t clear enough about the sincerity of repentance to which we’re called, the Gospel of Jesus Christ sets the record straight: this is not a performative spiritual discipline, but one we are to undertake wholeheartedly with sincerity.

The next text of Scripture which is iconic for use on Ash Wednesday is Psalm 51. This is the Penitential Psalm par excellance, the most famous and the most heartfelt of all the penitential psalms in the Bible. The praying or chanting of this psalm is a typical component of the Ash Wednesday penitential service, and even in churches outside the liturgical tradition there are echoes of this psalm throughout other traditions of worship and lament. If you are not in the habit of praying the Psalms, Psalm 51 on Ash Wednesday is a perfect place to start.

Other psalms often associated with worship services on the first day of Lent include Psalms 6, 32, 38, 57, 102, 103, 130, and 143.

Modern liturgies tend to favor three readings of Scripture at services of Holy Communion, so to Joel 2 and Matthew 6 is now added an Epistle lesson. There are three main possibilities, depending upon the particular tradition you dip into. One is Hebrews 12:1-14, where we are exhorted to pick ourselves up despite the discipline of the Lord, and to receive his chastisement of evidence of his loving desire to see us grow unto perfection. Another is 2 Corinthians 5:20b-6:10 (starting with “We implore you on behalf of Christ…”). “Now is the favorable time… now is the day of salvation”, St. Paul declares, as he recounts his many sufferings which commend his legitimacy as a true Apostle of Christ and encourages us likewise not to receive the grace of Christ in vain. The third is James 4:1-10 which speaks of God’s desire for us and the call to humble ourselves before him so that the devil may flee from us and that God may exalt us.

To these core Scripture lessons we can add a number of additional readings, drawn from various Prayer Books over the centuries, to give us further context and instruction. Let us consider them in canonical (rather than logical) order…

Isaiah 58 – This is a classic text on the nature of true fasting, noting (like Jesus did) that a true fast is one that inwardly kept, not merely outwardly performed. Here the other traditional Lenten disciplines of alms-giving and prayer are introduced alongside fasting, making the three a composite whole of godly spirituality.

Isaiah 59 – More in the vein of Joel 2, this chapter decries the sinfulness of God’s people and the lack of justice in their midst and the justice that God promises to bring (either for or against them) in the end. This is should help us further our meditations on our own sinfulness.

Jonah 3 (& 4) – The story of Jonah preaching repentance to Nineveh (and his subsequent anger at the fact that they actually did repent and were spared by the Lord) is another effective entrance into the Lenten season. We should follow the example of the wicked Ninevites who actually repented in sackcloth and ashes, rather than the example of Jonah who just wanted to see them all dead.

Luke 15 – The parables of the lost sheep, the lost coin, and the prodigal son are beautiful pictures of God’s compassion toward sinners and his desire to see us repent. In a way this reading can be seen as an extension of the lesson of James 4, mentioned above.

Luke 18:9-14 – The Parable of the Pharisee and the Tax Collector gives us a further illustration of the teachings of Isaiah 58 and Matthew 6. Only the tax collector returns home justified because his prayer came from a truly contrite heart, as opposed to the pharisee’s prayer of prideful access.

1 Corinthians 9:24-27 – This epistle text is the same as that traditionally appointed on Septuagesima Sunday, nearly three weeks before Lent begins. Here we read of the call to self-discipline as a spiritual exercise, as in running a race. This invites us to enter the Lenten fast with vigor and intent.

Hebrews 3:12-4:13 – The discourse in the early chapters of Hebrews deals with the promised “Rest”, the ultimate Sabbath, to which God’s people are called, and how neither Moses nor Joshua ultimately brought anyone to the true spiritual land of rest. This gives another layer of vision to our conception of Lent: our spiritual disciplines at this time comprise our “striving to enter that rest” to which we look forward.

2 Peter 3 – Finally, this chapter gives Lent a slightly eschatological flavor to it, which is more typical of Advent. Nevertheless, this period of discipline pointing toward the ultimate hope of glory does have an “endtimes” sort of vibe to it, and the call to holy living issued here by St. Peter neatly ties together the themes of spiritual discipline, holy living, and preparation for the glory of the eternal life to come.

All of these readings and themes can be said to be collected up in this prayer:

Almighty and everlasting God, who hatest nothing that thou hast made, and dost forgive the sins of all them that are penitent: Create and make in us new and contrite hearts, that we, worthily lamenting our sins, and acknowledging our wretchedness, may obtain of thee, the God of all mercy, perfect remission and forgiveness; through Jesus Christ our Lord.  Amen.