Leaves of Morya's Garden - Book 2 - Illumination (1925) - 2.5.5: Then, rising, He effaced with His cane all that He had drawn.
Brotherhood (1937) - 231: The time will come when clairvoyance, scientifically treated, will help to piece together the fragments of shattered vessels of ancient knowledge. Let the ability to decipher patiently the effaced signs be the distinction of a true scholar. He will apprehend too the meaning of containment.