Those who condemn the supreme certainty of mathematics feed on confusion, and can never silence the contradictions of the sophistical sciences which lead to eternal quackery. Leonardo da Vinci More Quotes by Leonardo da Vinci More Quotes From Leonardo da Vinci You will never have a greater or lesser dominion than that over yourself. Leonardo da Vinci self-controldisciplineover-you Many will be busied in taking away from a thing, which will grow in proportion as it is diminished. Leonardo da Vinci proportiongrows He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast. Leonardo da Vinci mathlovereality Constancy does not begin, but is that which perseveres. Leonardo da Vinci persevereintelligentdoe Everything comes from everything, and everything is made out of everything, and everything returns into everything. Leonardo da Vinci manifestationreturnmade Let no man who is not a Mathematician read the elements of my work. Leonardo da Vinci elementsdesignmen Science is the observation of things possible, whether present or past; prescience is the knowledge of things which may come to pass, though but slowly. Leonardo da Vinci observationmaypast A good memory, which nature has endowed us with, causes things long past to seem present. Leonardo da Vinci memorieslongpast Science is the captain, and practice the soldiers. Leonardo da Vinci intelligentsoldierpractice Some promises and time disappoint us Leonardo da Vinci disappointpromise Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments. Leonardo da Vinci judgmentexperienceintelligent O Time with your teethy years! You swallow up all things little by little in a slow-motion, wrinkling process of dying. Leonardo da Vinci dyinglittlesyears The beginnings and ends of shadow lie between the light and darkness and may be infinitely diminished and infinitely increased. Shadow is the means by which bodies display their form. The forms of bodies could not be understood in detail but for shadow. Leonardo da Vinci lightmeanlying Fire destroys all sophistry, that is deceit; and maintains truth alone, that is gold. Leonardo da Vinci deceitgoldfire When Fortune comes, seize her in front with a sure hand, because behind she is bald. Leonardo da Vinci behindsfortunehands Happy will be those who give ear to the words of the dead: - The reading of good works and the observing of their precepts. Leonardo da Vinci readingearsgiving Strive to preserve your health; and in this you will better succeed in proportion as you keep clear of the physicians, for their drugs are a kind of alchemy concerning which there are no fewer books than there are medicines. Leonardo da Vinci medicinedrugbook Of several bodies, all equally large and equally distant, that which is most brightly illuminated will appear to the eye nearest and largest. Leonardo da Vinci natureeyetravel In time and with water, everything changes. Leonardo da Vinci things-changeinspirationalwater The desire to know is natural to good men. Leonardo da Vinci good-mandesiremen
