The historian Nicephorus states that St Isidore wrote more than 10,000 letters to various people, in which he reprimanded one, advised another, consoled a third, instructed a fourth.
Izidor napisao više od 10.000 pisama raznim ljudima, u kojima je opominjao jednog, savjetovao drugoga, tješio trećega, uputio četvrtog.