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Feast day · April 4

St. Isidore of Seville

Bishop and Doctor of the Church
Born c. 560, probably Cartagena, Visigothic KingdomDied 636, Seville, Visigothic Kingdom
Let the wise hear and increase in learning, and the one who understands obtain guidance.
Proverbs 1:5

St. Isidore united pastoral leadership with scholarship, preserving ancient learning and strengthening Christian education in Visigothic Spain.

The story

Isidore was born about 560, probably at Cartagena, into a prominent Christian family. His siblings Leander, Fulgentius, and Florentina are also honored as saints. The family later settled in Seville. After their parents died, Leander took responsibility for Isidore's education. Isidore mastered Latin literature, Scripture, theology, history, law, and the natural knowledge available in his age.

Leander became bishop of Seville and played an important part in bringing the Visigothic kingdom from Arian Christianity into communion with the Catholic Church. Isidore succeeded him as bishop around 600. He inherited a society divided by ethnic traditions and still in need of sound Christian formation. As bishop, he promoted monasteries, schools, disciplined clergy, and careful teaching. He regarded education as necessary for both the Church and civic life.

Isidore presided over the Second Council of Seville in 619 and was a leading figure at the Fourth Council of Toledo in 633. That council addressed doctrine, liturgy, clerical formation, and the unity of the Spanish Church. Some conciliar policies of this period concerning Jews included coercive elements that the Church does not hold up for imitation. Isidore nevertheless argued that forced baptism was wrong, while accepting the era's practice that those already baptized were bound by baptismal obligations.

His most influential work was the twenty-book Etymologies, an encyclopedia gathering material on grammar, medicine, law, Scripture, animals, agriculture, geography, and many other subjects. Its explanations sometimes reflect the limited science and fanciful word derivations of late antiquity, but it preserved a vast store of ancient learning for medieval Europe. He also wrote the Sentences, works on biblical interpretation and liturgy, and a history of the Goths, Vandals, and Suebi. Isidore died at Seville on April 4, 636, after distributing alms and publicly asking forgiveness. His ancient cult was widely received, and Pope Innocent XIII formally declared him a Doctor of the Church in 1722. His optional memorial is kept in the General Roman Calendar.

What Isidore teaches

St. Isidore teaches that learning should lead to wisdom, worship, and service rather than pride. Faith and reason support one another because all truth has God as its source, as CCC 159 explains. Christians should examine information carefully and use knowledge for the common good.

Patronage

internet users, computer users, students, scholars.

Prayer

God of truth, through the intercession of St. Isidore, guide all who study, teach, write, and communicate. Give us wisdom to recognize what is true and charity to use knowledge for your glory and the good of others. Amen.
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