The Kingdom of heaven is like a merchant seeking good pearls, who, when he had found one of great price, gave all that he had and bought it, alleluia.
We beseech Thee, almighty God, grant that we who celebrate the heavenly birth of blessed Catherine, Thy Virgin, may rejoice in her annual festival and benefit by the example of such great virtue.
If you are interested in studies pertaining to Saint Catherine, you may want to get a copy of Catherine of Siena: Spiritual Development in Her Life and Teaching by Domincan Father Thomas McDermott.