Archimandrite Seraphim (Aleksiev). "Homily about self-esteem and about false visions".
There are many dark tricks of Satan that bring him closer to the soul, but the path that Satan prefers to follow and tries to lead the humans is pride. For he knows well that even if God’s commandments are fulfilled, pride alone is enough to make an ascetic perish. He himself, having no other sins, has fallen from God through his pride only.
Sinful people are usually proud. They sin only because of their pride, which prevents them from accepting God’s will and obeying God’s commandments. Devil, a cunning tempter, knows how to make a man have a sense of grandeur about oneself. Those who are not of high intelligence, he tries make proud by telling them that they are smart or that they have some other exceptional qualities. He puts an idea to the mind of clever people that they have unique properties of their minds. To the wicked, he gives a proud persistence against the will of God. The pious, following his hints, begin to put on airs because of their execution of God’s commandments. Thus, all get by pride under the power of Satan – all those who have not stood up against his tricks, believers and unbelievers; clever and stupid; and sinful and righteous.
Where there is pride and there are visions - they cannot be from God, but surely from the evil one. Some say: ‘We know that those who have divine visions are virtuous people as they fast, pray, act honestly, visit the sick, give alms, show great love for their neighbours... Can these people indeed have visions from the Satan?’
