Lux in tenebris
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Good topic! I always liked natural sciences in school... Biology, Zoology, Anatomy.
The computer science class... burned down, and we lost that subject.
Евангелие от Иоанна, 1.5: Lux in tenebris lucet, et tenebrae eam non comprehenderunt. Свет во тьме светит, и тьма не объяла его.