Fasting is the greatest remedy-- the physician within.
A little bit of beer is divine medicine.
Men who are devoid of the power of spiritual perception are unable to recognize anything that cannot be seen externally.
That which lives on reason lives against the spirit.
Then God sends us such a messenger who appears to us in spirit, warns us, consoles us, teaches us, and brings us His good tidings.
Determined will is the beginning of all magical operations. It is because men do not perfectly imagine and believe the result, that the (occult) arts are so uncertain, while they might be perfectly certain.