Scripture for that, please?
Saint Catherine of Siena was illiterate most of her life. Yet,
For three years, Catherine lived a life of prayer, silence, and austerity in her tiny 9-by-12-foot room. During the Carnival of 1366, she experienced a mystical betrothal to Christ.The girl was was with Christ, that's all.[...]
Catherine lived the life of a dozen women. She was an ambassador and peace-maker, a nurse and a healer and a powerful evangelist whose very presence triggered innumerable conversions. She served as a counselor to Popes, queens, priests, housewives, and condemned prisoners, while composing one of the great works of Christian mysticism. Importantly, it was her status as a single laywoman that set Catherine of Siena free to answer a call from God that would alter the course of Western history and result in her becoming the first lay Doctor of the Church