Men who are devoid of the power of spiritual perception are unable to recognize anything that cannot be seen externally.
All drugs are poisons the benefit depends on the dosage.
Nothing is hidden so much that it wouldn't be revealed through its fruit.
But is not He who created it for the sake of the sick body more than the remedy? And is not He who cures the soul, which is more than the body, greater?
The art of medicine cannot be inherited, nor can it be copied from books
All things are poisons. It is simply the dose that distinguishes between a poison and a remedy.