St. Hesychios on attention and prayer: “Watchfulness is a spiritual method which, if sedulously practiced over a long period completely frees us with God’s help from impassioned thoughts, impassioned words, and evil actions. It leads, in so far as this is possible, to a sure knowledge of the inapprehensible God, and helps us to penetrate the divine and hidden mysteries. . . . It is, in the true sense, purity of heart, a state blessed by Christ when He says: “Blessed are the pure in heart, for they shall see God” (Matt. 5:8).

