“We are given Divine weaponry for the salvation of our souls: prayer, especially meditation [‘Jesus Prayer] fasting, constant confession, Divine Communion, reading the word of God and the ascetical books of the holy fathers, renouncing everything that tears asunder our connection with God and removes our minds and hearts from the Lord and His holy will. The most important thing is the remembrance of death.”
(Anonymous Monk of Mt Athos in pravoslavie.ru)