St. Francis de Sales was a spiritual giant during the 17th century and wrote one of the most well-known spiritual classics of all time, called Introduction to the Devout Life. It was unique in its presentation of the spiritual life and was particularly directed toward the ordinary lay person in the world. Both Catholics and Protestants have found the book helpful in making sense of the mysterious workings of the Holy Spirit.
Here are five powerful quotes from this profound book, where de Sales details what is needed to practice virtue.