Men who are devoid of the power of spiritual perception are unable to recognize anything that cannot be seen externally.
Medicine rests upon four pillars - philosophy, astronomy, alchemy, and ethics.
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.
Whether wine is a nourishment, medicine or poison is a matter of dosage
The interpretation of dreams is a great art.
Women's regular bleeding engenders phantoms.