Being engulfed in practice without delicate knowledge related to it, is in many ways like entering a ship without knowing where it is headed. Leonardo da Vinci More Quotes by Leonardo da Vinci More Quotes From Leonardo da Vinci Many will be busied in taking away from a thing, which will grow in proportion as it is diminished. Leonardo da Vinci proportion grows 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 math love reality Constancy does not begin, but is that which perseveres. Leonardo da Vinci persevere intelligent doe Everything comes from everything, and everything is made out of everything, and everything returns into everything. Leonardo da Vinci manifestation return made Let no man who is not a Mathematician read the elements of my work. Leonardo da Vinci elements design men 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 observation may past A good memory, which nature has endowed us with, causes things long past to seem present. Leonardo da Vinci memories long past Science is the captain, and practice the soldiers. Leonardo da Vinci intelligent soldier practice Some promises and time disappoint us Leonardo da Vinci disappoint promise 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 judgment experience intelligent 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 dying littles years 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 light mean lying Fire destroys all sophistry, that is deceit; and maintains truth alone, that is gold. Leonardo da Vinci deceit gold fire When Fortune comes, seize her in front with a sure hand, because behind she is bald. Leonardo da Vinci behinds fortune hands 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 reading ears giving 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 medicine drug book 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 nature eye travel In time and with water, everything changes. Leonardo da Vinci things-change inspirational water The desire to know is natural to good men. Leonardo da Vinci good-man desire men Just as iron rusts from disuse... even so does inaction spoil the intellect. Leonardo da Vinci iron acting inspirational