--- title: "St. Jerome: Feast Day September 30, Life & Quotes · Bless" url: https://blessbible.app/saints/st-jerome/ description: "St. Jerome, Priest and Doctor of the Church, patron of Scripture scholars and librarians. Feast day September 30. Their life and sourced quotes." --- Priest and Doctor of the Church · Feast day September 30 # St. Jerome The feast day of St. Jerome is September 30, a memorial in the US Catholic calendar. Traditionally invoked as patron of Scripture scholars and librarians. Below: a short life and 3 sourced quotations in their own words. | | | |---|---| | Feast day | [September 30](https://blessbible.app/saints/september/#30) | | In the US calendar | Memorial | | Title | Priest and Doctor of the Church | | Died | c. 420 | | Patron of | [Scripture scholars](https://blessbible.app/patron-saints/#scripture-scholars), [librarians](https://blessbible.app/patron-saints/#librarians) | | In their own words | [3 sourced quotations](https://blessbible.app/saints/st-jerome/#words) · 1 attributed saying (source unconfirmed) | | Next on Bless’s Today screen | [Thursday, September 30, 2027](https://blessbible.app/saints/st-jerome/#calendar) | ## Life The greatest biblical scholar of the early Church, secretary to a pope, and a hermit of legendary temper. He left Rome for a cave at Bethlehem and spent his last thirty-four years there translating the Old Testament from the Hebrew — the heart of the Vulgate. ‘Ignorance of Scripture,’ he wrote, ‘is ignorance of Christ.’ He remains the patron of all who labor over the sacred text. ## Patron of Tradition invokes St. Jerome as patron of Scripture scholars and librarians. [Scripture scholars](https://blessbible.app/patron-saints/#scripture-scholars) [Librarians](https://blessbible.app/patron-saints/#librarians) Patronages are traditional, not an official list. [All patron saints in Bless, A to Z](https://blessbible.app/patron-saints/). ## In their own words Each quotation names the work it comes from. Bless quotes these in the comments beside the verses listed under [In Scripture](https://blessbible.app/saints/st-jerome/#scripture). > Ignorance of Scripture is ignorance of Christ. — *Commentary on Isaiah, prologue*, c. 408 > Read often and learn as much as you can. Let sleep find you holding your Bible, and when your head nods let it be resting on the sacred page. — *Letter 22 to Eustochium*, 384 > Let your actions never belie your words. — *Letter 52 to Nepotian*, 394 ### Attributed, source unconfirmed These sayings circulate under the saint’s name, but no source has been confirmed. Bless shows them with that label. > The Scriptures are shallow enough for a lamb to wade in and deep enough for an elephant to swim. — Popular saying, source unconfirmed ## In Scripture In Bless, St. Jerome’s words appear in the comments beside these verses. This page’s labels say how each is linked: “on this verse” means the saint wrote about that very verse; “on this theme” means the quotation shares its theme. Scripture is quoted from the Catholic Public Domain Version. 1. On this verse > Study the Scriptures. For you think that in them you have eternal life. And yet they also offer testimony about me. — [John 5:39](https://blessbible.app/bible/john/5/#v39) · CPDV Beside their words: [“Ignorance of Scripture is ignorance of Christ.”](https://blessbible.app/saints/st-jerome/#q48) 2. On this theme > The book of this law shall not depart from your mouth. Instead, you shall meditate upon it, day and night, so that you may observe and do all the things that are written in it. Then you shall direct your way and understand it. — [Joshua 1:8](https://blessbible.app/bible/joshua/1/#v8) · CPDV Beside their words: [“Read often and learn as much as you can. Let sleep find you holding your Bible, and when…”](https://blessbible.app/saints/st-jerome/#q49) 3. On this theme > But his will is with the law of the Lord, and he will meditate on his law, day and night. — [Psalm 1:2](https://blessbible.app/bible/psalms/1/#v2) · CPDV Beside their words: [“Read often and learn as much as you can. Let sleep find you holding your Bible, and when…”](https://blessbible.app/saints/st-jerome/#q49) 4. On this theme · source unconfirmed > Your word is a lamp to my feet and a light to my paths. — [Psalm 118:105](https://blessbible.app/bible/psalms/118/#v105) · CPDV Beside their words: [“The Scriptures are shallow enough for a lamb to wade in and deep enough for an elephant…”](https://blessbible.app/saints/st-jerome/#q51) 5. On this theme > And beginning from Moses and all the Prophets, he interpreted for them, in all the Scriptures, the things that were about him. — [Luke 24:27](https://blessbible.app/bible/luke/24/#v27) · CPDV Beside their words: [“Ignorance of Scripture is ignorance of Christ.”](https://blessbible.app/saints/st-jerome/#q48) 6. On this theme · source unconfirmed > Oh, the depths of the richness of the wisdom and knowledge of God! How incomprehensible are his judgments, and how unsearchable are his ways! — [Romans 11:33](https://blessbible.app/bible/romans/11/#v33) · CPDV Beside their words: [“The Scriptures are shallow enough for a lamb to wade in and deep enough for an elephant…”](https://blessbible.app/saints/st-jerome/#q51) 7. On this theme > So be doers of the Word, and not listeners only, deceiving yourselves. — [James 1:22](https://blessbible.app/bible/james/1/#v22) · CPDV Beside their words: [“Let your actions never belie your words.”](https://blessbible.app/saints/st-jerome/#q50) 8. On this theme > My little sons, let us not love in words only, but in works and in truth. — [1 John 3:18](https://blessbible.app/bible/1-john/3/#v18) · CPDV Beside their words: [“Let your actions never belie your words.”](https://blessbible.app/saints/st-jerome/#q50) ## In the calendar The upcoming dates, through December 31, 2028, when Bless’s Today screen shows St. Jerome. Where the US calendar keeps another celebration that day, it is named instead and no rank is given. | Date | In the US calendar | Color | Mass readings (US) | |---|---|---|---| | [Thursday, September 30, 2027](https://blessbible.app/calendar/2027/09/30/) | St. Jerome, Priest and Doctor of the Church (Memorial) | White | Nehemiah 8:1-4a, 5-6, 7b-12 · Psalm 19:8, 9, 10, 11 · Mark 1:15 · Luke 10:1-12 | | [Saturday, September 30, 2028](https://blessbible.app/calendar/2028/09/30/) | St. Jerome, Priest and Doctor of the Church (Memorial) | White | Ecclesiastes 11:9—12:8 · Psalm 90:3-4, 5-6, 12-13, 14 and 17 · 2 Timothy 1:10 · Luke 9:43b-45 | Readings Later citations were computed by Bless from the US Lectionary cycle — confirm with your parish. [September 29 Sts. Michael, Gabriel and Raphael](https://blessbible.app/saints/sts-michael-gabriel-and-raphael/) [October 1 St. Thérèse of Lisieux](https://blessbible.app/saints/st-therese-of-lisieux/) [All the saints of September](https://blessbible.app/saints/september/) [Born on September 30?](https://blessbible.app/saints/birthday/#09-30) [A saint for every day](https://blessbible.app/saints/) Spotted a mistake in a date, a patronage or a quotation? [Report an error](https://blessbible.app/support/#report) and we’ll fix it in the app and here. St. Jerome Feast day September 30 On this page 1. [Life](https://blessbible.app/saints/st-jerome/#life) 2. [Patron of](https://blessbible.app/saints/st-jerome/#patron) 3. [In their own words](https://blessbible.app/saints/st-jerome/#words) 4. [In Scripture](https://blessbible.app/saints/st-jerome/#scripture) 5. [In the calendar](https://blessbible.app/saints/st-jerome/#calendar) In the app Bless shows a saint every day on its Today screen, with their life and their words. Free on iPhone.