Man stands at the crossroads between righteousness and sin, and chooses whichever path he wishes. But after that, the path which he has chosen to follow, and the guides assigned to it, whether angels and saints or demons and sinners, will lead him to the end of it, even if he has no wish to go there. The good guides lead him toward God and the kingdom of heaven, the evil guides toward the devil and agelong punishment. But nothing and no one is to blame for his destruction except his own free will. For God is the God of salvation, bestowing on us, along with being and well-being, the knowledge and strength that we cannot have without the grace of God. Not even the devil can destroy a man, compelling him to choose wrongly, or reducing him to impotence or enforced ignorance, or anything else: he can only suggest evil to him.
~St Peter of Damaskos