Leaves of Morya's Garden - Book 1 - The Call (1924) - 418: 418. I wish to name your sickness - it is called occult fever, a manifestation with which We are well acquainted. It is increased by fatigue and by changes in the organism. One must carefully go through this period. During the battle I surrounded you with a dense aura. This is similar to chloroform; afterwards you must rest.