Knowing Him Below

The posuk "VeYodata" seems to describe a lower awareness of Hashem than the posuk of "Ata Oraisa". Yet, it is the knowledge of Hashem initiated by man ("VeYodata") that has the "Hayom" quality - an unchanging revelation of G-dliness.

For further learning see לקו”ש ח"ד הוספות פ' ואתחנן.