Feria V in Cœna Domini.

Miserére mei Deus, * secúndum magnam misericórdiam tuam.
2 Et secúndum multitúdinem miseratiónum tuárum, * dele iniquitátem meam.
3 Amplius lava me ab iniquitáte mea: * et a peccáto meo munda me.
4 Quóniam iniquitátem meam ego cognósco: * et peccátum meum contra me est semper.
5 Tibi soli peccávi, et malum coram te feci: * ut justificéris in sermónibus tuis, et vincas cum judicáris.
6 Ecce enim in iniquitátibus concéptus sum: * et in peccátis concépit me mater mea.
7 Ecce enim veritátem dilexísti: * incérta et occúlta sapiéntiæ tuæ manifestásti mihi.
8 Aspérges me hyssópo, et mundábor: * lavábis me, et super nivem dealbábor.
9 Audítui meo dabis gaúdium et lætítiam: * et exsultábunt ossa humiliáta.
10 Avérte fáciem tuam a peccátis meis: * et omnes iniquitátes meas dele.
11 Cor mundum crea in me Deus: * et spíritum rectum ínnova in viscéribus meis.
12 Ne projícias me a fácie tua: * et Spíritum sanctum tuum ne aúferas a me.
13 Redde mihi lætítiam salutáris tui: * et spíritu principáli confírma me.
14 Docébo iníquos vias tuas: * et ímpii ad te converténtur.
15 Líbera me de sanguínibus Deus, Deus salútis meæ: * et exsultábit lingua mea justítiam tuam.
16 Dómine, lábia mea apéries: * et os meum annuntiábit laudem tuam.
17 Quóniam si voluísses sacrifícium, dedíssem útique: * holocaústis non delectáberis.
18 Sacrifícium Deo spíritus contribulátus: * cor contrítum, et humiliátum Deus non despícies.
19 Benígne fac Dómine in bona voluntáte tua Sion: * ut ædificéntur muri Jerúsalem.
20 Tunc acceptábis sacrifícium justítiæ, oblatiónes, et holocaústa: * tunc impónent super altáre tuum vítulos.

Have mercy on me, O God, * according to thy great mercy.
2 And according to the multitude of thy tender mercies * blot out my iniquity.
3 Wash me yet more from my iniquity, * and cleanse me from my sin.
4 For I know my iniquity, * and my sin is always before me.
5 To thee only have I sinned, and have done evil before thee: * that thou mayst be justified in thy words and mayst overcome when thou art judged.
6 For behold I was conceived in iniquities; * and in sins did my mother conceive me.
7 For behold thou hast loved truth: * the uncertain and hidden things of thy wisdom thou hast made manifest to me.
8 Thou shalt sprinkle me with hyssop, and I shall be cleansed: * thou shalt wash me, and I shall be made whiter than snow.
9 To my hearing thou shalt give joy and gladness: * and the bones that have been humbled shall rejoice.
10 Turn away thy face from my sins, * and blot out all my iniquities.
11 Create a clean heart in me, O God: * and renew a right spirit within my bowels.
12 Cast me not away from thy face; * and take not thy holy spirit from me.
13 Restore unto me the joy of thy salvation, * and strengthen me with a perfect spirit.
14 I will teach the unjust thy ways: * and the wicked shall be converted to thee.
15 Deliver me from blood, O God, thou God of my salvation: * and my tongue shall extol thy justice.
16 O Lord, thou wilt open my lips: * and my mouth shall declare thy praise.
17 For if thou hadst desired sacrifice, I would indeed have given it: * with burnt offerings thou wilt not be delighted.
18 A sacrifice to God is an afflicted spirit: * a contrite and humbled heart, O God, thou wilt not despise.
19 Deal favourably, O Lord, in thy good will with Sion; * that the walls of Jerusalem may be built up.
20 Then shalt thou accept the sacrifice of justice, oblations and whole burnt offerings: * then shall they lay calves upon thy altar.