Samael Aun Weor internally observed Beelzebub's unique aura: a blue light of love for his disciples of black magic. There is much virtue in the villain and villainy in the virtuous.
However, no one would be able to achieve religion without divine mercy, which in the case of Beelzebub, was granted unto him by the Logos Samael.
Since a prince of demons can repent, this is cause for great inspiration and triumph!
For thirty years I sought God. But when I looked carefully I found that in reality God was the seeker and I the sought. -Bayazid al-Bastami