11: H. P. Blavatsky says in the Secret Doctrine in connection with the Principles.
a. That mistakes in the classification are very possible.—S. D., II, 677.
. That we must seek the occult meaning.—S. D., II, 652.
That there are really six not seven principles.
c. That there are several classifications.—S. D., III, 374, 446.
d. That the esoteric enumeration cannot be made to correspond with the exoteric—S. D., III, 476.
e. That the numbering of the principles is a question of spiritual progress.—S. D., III, 456, 460.