Authors:

The precept to worship God 'in spirit and in truth' recommand to worship him as an inward and moral force, without physical attributes and with no relation to fears and egoist wishes.

"Paroles d'un sage: Choix de pensées d'African Spir" ("Words of a Sage : Selected thoughts of African Spir") by Hélène Claparède-Spir, (p. 40), 1937.
The precept to worship God 'in spirit and in truth' recommand to worship him as an inward and moral force, without physical attributes and with no relation to fears and egoist wishes.