Born in the Castilian town of Avila in 1515, Teresa entered the Carmelite convent of the Incarnation when she was twenty-one. Tormented by illness, doubts and self-recrimination, she gradually came to recognize the power of prayer and contemplation—her spiritual enlightenment was intensified by many visions and mystical experiences, including the piercing of her heart by a spear of divine love. She went on to found seventeen Carmelite monasteries throughout Spain. Teresa always denied her own saintliness, however, saying in a letter: &quot;There is no suggestion of that nonsense about my supposed sanctity.&quot; This frank account is one of the great stories of a religious life and a literary masterpiece—after Don Quixote, it is Spain's most widely read prose classic.<br><br>For more than seventy years, Penguin has been the leading publisher of classic literature in the English-speaking world. With more than 1,700&nbsp;titles, Penguin Classics represents a global bookshelf of the best works throughout history and across genres and disciplines. Readers trust the&nbsp;series to provide authoritative texts enhanced by introductions and notes by distinguished scholars and contemporary authors, as well as up-to-date&nbsp;translations by award-winning translators.