A Quote by Leonardo da Vinci
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.
Related Quotes
All our knowledge hast its origins in our perceptions … In nature there is no effect without a cause … Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments … Science is the observation of things possible, whether present or past; prescience is the knowledge of things which may come to pass.
This ability to incorporate the past gives the sharpest diagnostic tool, if one asks whether a body of knowledge is a science or not. Do present practitioners have to go back to an original work of the past? Or has it been incorporated? ... Science is cumulative, and embodies its past.
I don't think we're capable of knowledge, but I like to keep an open mind. So if you ask me whether I believe in an afterlife or not, whether I believe in God or not, I can only answer you that all things are possible. And if all things are possible, heaven and hell and the angels are also possible. They're not to be ruled out.
It is ever thus that the things which we do wrong - although they may seem little at the time, and though from the hardness of our hearts we pass them lightly by - come back to us with bitterness.
Knowledge signifies things known. Where there are no things known, there is no knowledge. Where there are no things to be known, there can be no knowledge. We have observed that every science, that is, every branch of knowledge, is compounded of certain facts, of which our sensations furnish the evidence. Where no such evidence is supplied, we are without data; we are without first premises; and when, without these, we attempt to build up a science, we do as those who raise edifices without foundations. And what do such builders construct? Castles in the air.
If my happiness at this moment consists largely in reviewing happy memories and expectations, I am but dimly aware of this present. I shall still be dimly aware of the present when the good things that I have been expecting come to pass. For I shall have formed a habit of looking behind and ahead, making it difficult for me to attend to the here and now. If, then , my awareness of the past and future makes me less aware of the present, I must begin to wonder whether I am actually living in the real world.
It is the close observation of little things which is the secret of success in business, in art, in science, and in every pursuit in life. Human knowledge is but an accumulation of small facts made by successive generations of men--the little bits of knowledge and experience carefully treasured up by them growing at length into a mighty pyramid.
Custom looks to things that are past, and fashion to things that are present, but both of them are somewhat purblind as to things that are to come.
A science is not mere knowledge, it is knowledge which has undergone a process of intellectual digestion. It is the grasp of many things brought together in one, and hence is its power; for, properly speaking, it is Science that is power, not Knowledge.
God will not suffer man to have a knowledge of things to come for if he had prescience of his prosperity, he would be careless and if understanding of his adversity, he would be despairing and senseless
Science only means knowledge; and for [Greek] ancients it did only mean knowledge. Thus the favorite science of the Greeks was Astronomy, because it was as abstract as Algebra. ... We may say that the great Greek ideal was to have no use for useful things. The Slave was he who learned useful things; the Freeman was he who learned useless things. This still remains the ideal of many noble men of science, in the sense they do desire truth as the great Greeks desired it; and their attitude is an external protest against vulgarity of utilitarianism.
But by far the greatest hindrance and aberration of the human understanding proceeds from the dullness, incompetency, and deceptions of the senses; in that things which strike the sense outweigh things which do not immediately strike it, though they be more important. Hence it is that speculation commonly ceases where sight ceases; insomuch that of things invisible there is little or no observation.
There is no creature so perfect in wisdom and knowledge but may learn something for time present, and to come, by times past.
A man's knowledge may be said to be mature, in other words, when it has reached the most complete state of perfection to which he, as an individual, is capable of bringing it, when an exact correspondence is established between the whole of his abstract ideas and the things he has actually perceived for himself. His will mean that each of his abstract ideas rests, directly or indirectly, upon a basis of observation, which alone endows it with any real value; and also that he is able to place every observation he makes under the right abstract idea which belongs to it.
Technological prescience in science fiction usually requires an author with luck. Societal prescience requires a poet.
Philosophy is that part of science which at present people chose to have opinions about, but which they have no knowledge about. Therefore every advance in knowledge robs philosophy of some problems which formerly it had ...and will belong to science.
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