“When you do not know the nature of the malady, leave it to nature; do not strive to hasten matters. For either nature will bring about the cure or it will itself reveal clearly what the malady really is.”

Width of life is more important than length of life.

The more brilliant the lightning, the quicker it disappears.

Leeches should be kept a day before applying them. They should be squeezed to make them eject the contents of their stomachs.

There are no incurable diseases – only the lack of will. There are no worthless herbs – only the lack of knowledge.

I [prefer] a short life with width to a narrow one with length.

In God alone, essence (what He is) and existence (that he is) coincide.

An ignorant doctor is the aide-de-camp of death.

Now it is established in the sciences that no knowledge is acquired save through the study of its causes and beginnings, if it has had causes and beginnings; nor completed except by knowledge of its accidents and accompanying essentials.

It is in the nature of water … to become transformed into earth through a predominating earthy virtue; … it is in the nature of earth to become transformed into water through a predominating aqueous virtue.

Is it the fault of wine if a fool drinks it and goes stumbling into darkness?

As to the mental essence, we find it in infants devoid of every mental form.

The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.

The different sorts of madness are innumerable.

That whose existence is necessary must necessarily be one essence.

Those who deny the first principle should be flogged or burned until they admit that it is not the same thing to be burned and not burned, or whipped and not whipped.

A horse is simply a horse.

If you try to cure evil with evil you will add more pain to your fate.

Compassion will cure more sins than condemnation.

Some say jealousy is a disease, and is so, we are two patients who can never be cured.

This is the curse of our age, even the strangest aberrations are no cure for boredom.

There is a cure for temptation. What? Yielding to it.

She cures the ache in places no one else can reach.

No medicine cures what happiness cannot.

Ignorance is a virus. Once it starts spreading it can only be cured by reason. For the sake of humanity, we must be that cure.