Letters about spiritual life

The wide, currently, appeal to the faith of the Fathers - Orthodoxy - is not always, unfortunately, is crowned with its correct understanding. The fulfillment of all church establishments without understanding the essence of Orthodoxy can easily lead a believer to the acquisition of not the God -like properties of humility and love, but directly of God -improper: conceit, pride, pharisaism.
How to achieve a saving marina and enter the kingdom of God is, according to the expression of fathers, science from science and art from the arts. Therefore, the peculiarity of Orthodoxy is so important that it, unlike all other areas of modern Christianity that explore this science in their understanding, is completely based on patristic teaching and experience.
The answer to the question of what is Orthodoxy and how to live in accordance with the Orthodox teaching, and this book of letters of one of the wonderful ascetics of our Church of the 20th century abbess Nikon (Vorobyov) is devoted