Ah, how they twist and turn:
Did they believe that they had all the answers, the full light of truth? To that question Brother Russell pointedly answered: “Certainly not; nor will we have until the ‘perfect day.’” (Prov. 4:18, KJ) Frequently they referred to their Scriptural beliefs as “present truth” — not with any idea that truth itself changes but rather with the thought that their understanding of it was progressive.
*** jv chap. 10 p. 121 Growing in Accurate Knowledge of the Truth ***