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 More Quotes by Avicenna More Quotes From Avicenna There are no incurable diseases — only the lack of will. There are no worthless herbs — only the lack of knowledge. Avicenna disease teaching teacher Width of life is more important than length of life. Avicenna length-of-life important life-is Prayer is that which enables the soul to realize its divinity. Through prayer human beings worship absolute truth, and seek an eternal reward. Prayer is the foundation-stone of religion; and religion is the means by which the soul is purified of all that pollutes it. Prayer is the worship of the first cause of all things, the supreme ruler of all the world, the source of all strength. Prayer is the adoration of the one whose being is necessary. Avicenna islamic wisdom prayer The world is divided into men who have wit and no religion and men who have religion and no wit. Avicenna trust men world The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its causes. Avicenna known causes all-things God, the supreme being, is neither circumscribed by space, nor touched by time; he cannot be found in a particular direction, and his essence cannot change. The secret conversation is thus entirely spiritual; it is a direct encounter between God and the soul, abstracted from all material constraints. Avicenna space essence spiritual Medicine is the science by which we learn the various states of the human body in health and when not in health, and the means by which health is likely to be lost and, when lost, is likely to be restored back to health. In other words, it is the art whereby health is conserved and the art whereby it is restored after being lost. While some divide medicine into a theoretical and a practical [applied] science, others may assume that it is only theoretical because they see it as a pure science. But, in truth, every science has both a theoretical and a practical side. Avicenna health mean art Is it the fault of wine if a fool drinks it and goes stumbling into darkness? Avicenna fool wine darkness An ignorant doctor is the aide-de-camp of death. Avicenna camps ignorant doctors The more brilliant the lightning, the quicker it disappears. Avicenna lightning disappear brilliant 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 strive cures matter I [prefer] a short life with width to a narrow one with length. Avicenna width short-life length Medicine considers the human body as to the means by which it is cured and by which it is driven away from health. Avicenna medicine body mean But the fact is that when wine is taken in moderation, it gives rise to a large amount of breath, whose character is balanced, and whose luminosity is strong and brilliant. Hence wine disposes greatly to gladness, and the person is subject to quite trivial exciting agents. The breath now takes up the impression of agents belonging to the present time more easily than it does those which relate to the future; it responds to agents conducive to delight rather than those conducive to a sense of beauty. Avicenna strong taken character The different sorts of madness are innumerable. Avicenna madness different insanity In God alone, essence (what He is) and existence (that he is) coincide. Avicenna existence essence Medicine deals with the states of health and disease in the human body. It is a truism of philosophy that a complete knowledge of a thing can only be obtained by elucidating its causes and antecedents, provided, of course, such causes exist. In medicine it is, therefore, necessary that causes of both health and disease should be determined. Avicenna medicine philosophy science That whose existence is necessary must necessarily be one essence. Avicenna existence essence 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 earth water science Pain is a sensation produced by something contrary to the course of nature and this sensation is set up by one of two circumstances: either a very sudden change of the temperament (or the bad effect of a contrary temperament) or a solution of continuity. Avicenna pain health two