That whose existence is necessary must necessarily be one essence.
AVICENNAThose 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.
More Avicenna Quotes
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As to the mental essence, we find it in infants devoid of every mental form.
AVICENNA -
I [prefer] a short life with width to a narrow one with length.
AVICENNA -
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.
AVICENNA -
Medicine considers the human body as to the means by which it is cured and by which it is driven away from health.
AVICENNA -
In God alone, essence (what He is) and existence (that he is) coincide.
AVICENNA -
A horse is simply a horse.
AVICENNA -
Leeches should be kept a day before applying them. They should be squeezed to make them eject the contents of their stomachs.
AVICENNA -
The more brilliant the lightning, the quicker it disappears.
AVICENNA -
The world is divided into men who have wit and no religion and men who have religion and no wit.
AVICENNA -
The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes.
AVICENNA -
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.
AVICENNA -
An ignorant doctor is the aide-de-camp of death.
AVICENNA -
There are no incurable diseases – only the lack of will. There are no worthless herbs – only the lack of knowledge.
AVICENNA -
Is it the fault of wine if a fool drinks it and goes stumbling into darkness?
AVICENNA -
The different sorts of madness are innumerable.
AVICENNA