“…Timidity leads the soul into confusion and a certain unsteadiness, and a soul which is unstable can very easily fall. Yet self-satisfaction and conceit are the very enemies which one has to fight. Anybody who has let them in has fallen already, and is predisposed to further falls because they make a man inactive and negligent.
The warfare has begun. Guard your heart particularly, and do not let sinful impulses that arise reach your feelings. Meet each impulse as it enters your soul, and try to strike them all down. Be swift to establish firm convictions in your soul that are contrary to those to which your disturbing thoughts cling. These convictions will not only be your shield, they will also serve as arrows in your inner warfare. They not only defend your heart, but strike the heart of the enemy.
From this point on, the sin which arises will constantly be corrected by opposing thoughts and ideas. One must take care not to weaken or an instant, then victory will be sure, because the sinful impulse will have no firm support, but how long this will take will depend upon circumstances.”
St. Theophan the Recluse