The universities do not teach all things ... so a doctor must seek out old wives, gypsies, sorcerers, wandering tribes, old robbers, and such outlaws and take lessons from them. A doctor must be a traveller . . . Knowledge is experience.

Women's regular bleeding engenders phantoms.

Some children are born from heaven and others are born from hell, because each human being has his inherent tendencies, and these tendencies belong to his spirit, and indicate the state in which he existed before he was born.

Time is a brisk wind, for each hour it brings something new.

A little bit of beer is divine medicine.

There is an earthly sun, which is the cause of all heat, and all who are able to see may see the sun; and those who are blind and cannot see him may feel his heat. There is an Eternal Sun, which is the source of all wisdom, and those whose spiritual senses have awakened to life will see that sun and be conscious of His existence; but those who have not attained spiritual consciousness may yet feel His power by an inner faculty which is called Intuition.

The interpretation of dreams is a great art.