Here are the Writings of Nil Sorsky (+1508), an influential spiritual writer whose major contribution to Eastern Christianity was his bringing to ancient Russia the spirituality of the early Fathers and Mothers of the Desert.
This is called the hesychasm spirituality of the heart, which finds the perfection of the human person in union with God through continuous prayer..
Here are the Writings of Nil Sorsky (+1508), an influential spiritual writer whose major contribution to Eastern Christianity was his bringing to ancient Russia the spirituality of the early Fathers and Mothers of the Desert