ought to say at this point that the "three octaves of radiations" and the "table of hydrogens" derived from them were a stumbling block to us for a long time. The fundamental and the most essential principle of the transition of the triads and the structure of matter I understood only later, and I will speak of it in its proper place.
In my exposition of G.'s lectures in general, I am trying to observe a chronological order, although this is not always possible as some things were repeated very many times and entered, in one form or another, into almost all lectures.
But according to the latest scientific conclusions a ray of light travels in a curve