“To pass from the philosophical speculations of a man like Schopenhauer to the superficial generalizations of some of the french Academicians, would be profitless but for the fact that it enables us to estimate the intellectual grasp of the two schools of learning.
What the German makes of profound psychological questions, we have seen. Compare with it the best that the astronomer Babinet and the chemist Boussingault can offer by way of explaining an important spiritualistic phenomenon.
In 1854-5 these distinguished specialists presented to the Academy a memoire, or monograph, whose evident object was to corroborate and at the same time make clearer Dr. Chevreuil’s too complicated theory in explanation of the turning-tables, of the commission for the investigation of which he was a member.”
H. P. Blavatsky
The Mark Of God: Understanding Your "I AM Presence" 