The more brilliant the lightning, the quicker it disappears. Avicenna More Quotes by Avicenna More Quotes From 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 deny principles firsts As to the mental essence, we find it in infants devoid of every mental form. Avicenna transcendentalism form essence Disease is an abnormal state of the body which primarily and independently produces a disturbance in the normal functions of the body. It may be an abnormality of temperament or form (structure). Symptom is a manifestation of some abnormal state in the body. It may be harmful as a colic pain or harmless as the flushing of cheeks in peripneumonia. Avicenna abnormal pain health Mountains have been formed by one [or other] of the causes of the formation of stone, most probably from agglutinative clay which slowly dried and petrified during ages of which we have no record. It seems likely that this habitable world was in former days uninhabitable and, indeed, submerged beneath the ocean. Then, becoming exposed little by little, it petrified in the course of ages. Avicenna mountain ocean age 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 essentials causes study A horse is simply a horse. Avicenna horse Leeches should be kept a day before applying them. They should be squeezed to make them eject the contents of their stomachs. Avicenna leeches should Pure earth does not petrify, because the predominance of dryness over [i.e. in] the earth endows it not with coherence but rather with crumbliness. In general, stone is formed in two ways only (a) through the hardening of clay, and (b) by the congelation [of waters]. Avicenna rocks two science The physical signs of measles are nearly the same as those of smallpox, but nausea and inflammation is more severe, though the pains in the back are less. Avicenna measles nausea pain Therefore in medicine we ought to know the causes of sickness and health. Avicenna know sickness medicine health
