About the book: year / Watch your heart all your life and look closely and listen to it, what prevents it from uniting with the all-blessed God? Let this be the science of sciences, and with God’s help you can easily notice what separates you from God and what brings you closer to Him, unites you with Him. This is evidenced by the very heart, now united with God, now rejected from Him. Most of all, the evil one stands between our hearts and God; - it is he who alienates God from us with various passions or the lust of the flesh, the lust of desire and the pride of life.