“Yet it is absolutely necessary to inculcate it gradually [N.A.: the doctrine They promulgated], enforcing its theories, unimpeachable facts for those who know, with direct inferences deduced from and corroborated by modern exact science.” (Mahachohan. In C. Jinarajadasa, editor. Letters from the Masters of the Wisdom, 1st Series, letter n. 1, p. 2; emphasis added)