Know that the philosopher has power over the stars, and not the stars over him.

However, anyone to whom this happens should not leave his room upon awakening, should speak to no-one, but remain alone and sober until everything comes back to him, and he recalls the dream.

The art of medicine has its roots in the heart.

Whether wine is a nourishment, medicine or poison is a matter of dosage

When a man undertakes to create something, he establishes a new heaven, as it were, and from it the work that he desires to create flows into him... For such is the immensity of man that he is greater than heaven and earth.

The physician must give heed to the region in which the patient lives, that is to say, to its type and peculiarities.

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.