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.
AVICENNA
Leeches should be kept a day before applying them. They should be squeezed to make them eject the contents of their stomachs.
More Avicenna Quotes
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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.
AVICENNA -
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.
AVICENNA -
The different sorts of madness are innumerable.
AVICENNA -
Is it the fault of wine if a fool drinks it and goes stumbling into darkness?
AVICENNA -
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A horse is simply a horse.
AVICENNA -
The world is divided into men who have wit and no religion and men who have religion and no wit.
AVICENNA -
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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 -
Leeches should be kept a day before applying them. They should be squeezed to make them eject the contents of their stomachs.
AVICENNA -
I [prefer] a short life with width to a narrow one with length.
AVICENNA -
Width of life is more important than length of life.
AVICENNA -
In God alone, essence (what He is) and existence (that he is) coincide.
AVICENNA -
That whose existence is necessary must necessarily be one essence.
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