"Rig Veda is the Veda of Knowledge, Yajur Veda is the Veda of Karma, Sama Veda is the Veda of Bhakthi, and Atharva Veda is Brahma Veda, an umbrella, celebrating the Divine Presence, as in Book 10, hymns 7 and 8."
January 1, 1970
https://en.wikiquote.org/wiki/Atharva_Veda