Bravo, raspisnoy!
You have solved the riddle of the wise man!
Lux in Tenebris, in Latin, meaning "Light in Darkness".
"The light shines in the darkness, and darkness has not overcome it." (The fifth verse of chapter I)
Latin translation of the Gospel of John
"et lux in tenebris lucet et tenebrae eam non understanderunt"
"and the light shines in the darkness, and darkness does not understand it"