Source: https://www.bertha-dudde.org/en/proclamation/5409
5409 Mentally blind people cannot tolerate sudden light....
June 10, 1952: Book 60
People languishing in spiritual darkness cannot tolerate sudden light and cover their eyes when they are struck by a ray of light.... A completely faithless person cannot grasp the pure truth if it is offered to him unprepared, for spiritual knowledge is an area which has to be consciously entered, i.e., only the will to experience it makes him capable of receiving it. However, anyone who walks completely in the dark obviously has his mind turned towards the world and his eyes are focussed on it and receive no other light than that which shines towards them from the earthly world.
Before the human being recognises the truth he must have come to terms with it, but this also requires his thoughts to be directed towards this spiritual realm. An unbeliever can certainly also listen when he is given information about spiritual things, he can then be touched by certain thoughts, but now his will decides whether he persists with these thoughts, and whether they impress him so much that he pursues them further and finally allows himself to be captivated by them. Then the spiritual eye slowly gets used to looking into the light.... and then its rays can become brighter and brighter without blinding and confusing the person. But he who stands in the light cannot understand that he has ever preferred darkness, and therefore he himself eagerly endeavours to bring light into the darkness and to enlighten people wherever he can.... But it is far worse wanting to bring the truth to a person who is completely filled with erroneous teachings. This person is, as it were, in a constant flash of light that is constantly fading and is therefore all the more glaring. However, such a bright flash of light is followed by such deep darkness that the person can no longer find a way out. But he is also not satisfied with a soft glow of light, he fails to recognise the true light, he passes by the pure truth because he does not look for it where it can be found, and because his spiritual eye has no power of sight, for the deceptive light destroys it, just as the pure truth, the divine light, strengthens the eye and makes it able to recognise everything in the darkness as well as in the kingdom of light, and thus there is no wall for the spiritual eye which it could not penetrate. The deepest wisdom can be grasped by the person who stands in the right light of eternal truth. But he must be a believer and full of love.... The flame of love shall spread a bright glow, a light which shines brightly through the darkness and which always allows a beneficial power to be felt where a still blind eye endeavours to see.... Yet the light must not suddenly be brought to this blind person in spirit.... Loving understanding for his spiritual weakness, for his blind state must bring loving help.... Every now and then a ray of light and love must touch him, which will then surely tear the veil from his eyes, and the initial twilight shall now prove to the person that the right light can be found in the acceptance of truth, and he himself will long for truth....
Amen
Translated by Sven Immecke