A Quote by Leonardo da Vinci
All our knowledge originates in opinion.
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My curiosity, alas, is not the kind that can be satisfied by objective knowledge. Plato said that opinion is worthless and that only knowledge counts, which is a neat formulation. ... But melancholy Danes from the northern mists understand that opinion is all there is. The great questions transcend fact, and discourse is a process of personality. Knowledge cannot respond to knowledge. And wisdom? Is it not opinion refined, opinion killed and resuscitated upward? Maybe Plato would have agreed with this.
It is therefore worthwhile, to search out the bounds between opinion and knowledge; and examine by what measures, in things, whereof we have no certain knowledge, we ought to regulate our assent, and moderate our persuasions.
All genuine knowledge originates in direct experience.
We don't need to invest all of our faith in every concept, in every symbol, in every opinion that forms the totality of our knowledge. Faith means to believe in something 100% without a doubt, and to doubt our own knowledge can seem like the most frightening thing that can happen to us.
We have heard of a Society for the Diffusion of Useful Knowledge. It is said that knowledge is power, and the like. Methinks there is equal need of a Society for the Diffusion of Useful Ignorance, what we will call Beautiful Knowledge, a knowledge useful in a higher sense: for what is most of our boasted so-called knowledge but a conceit that we know something, which robs us of the advantage of our actual ignorance? What we call knowledge is often our positive ignorance; ignorance our negative knowledge.
It's almost as if our society values opinion over knowledge.
Where faith commences, science ends. Both these arts of the human mind must be strictly kept apart from each other. Faith has its origin in the poetic imagination; knowledge, on the other hand, originates in the reasoning intelligence of man. Science has to pluck the blessed fruits from the tree of knowledge, unconcerned whether these conquests trench upon the poetical imaginings of faith or not.
Surely knowledge of the natural world, knowledge of the human condition, knowledge of the nature and dynamics of society, knowledge of the past so that one may use it in experiencing the present and aspiring to the future--all of these, it would seem reasonable to suppose, are essential to an educated man. To these must be added another--knowledge of the products of our artistic heritage that mark the history of our esthetic wonder and delight.
The plague of man is the opinion of knowledge. That is why ignorance is so recommended by our religion as a quality suitable to belief and obedience.
Who is so wise as to have a perfect knowledge of all things? Therefore trust not too much to thine own opinion, but be ready also to hear the opinion of others. Thought thine own opinion be good, yet if for the love of God thou foregoest it, and followest that of another, thou shalt the more profit thereby.
In truth, opinion may be taken for understanding; understanding cannot be taken for opinion. How so? Surely because opinion may be deceived; understanding cannot be. If it could, it would not be understanding but opinion. For true understanding has not only certain truth, but the knowledge of truth.
The knowledge of the individual citizen is of less value than the knowledge of science. The former is the opinion of individuals. It is merely subjective and is excluded from policies. The latter is objective - defined by science and promulgated by expert spokesmen. This objective knowledge is viewed as a commodity which can be refined... and fed into a process, now called decision-making. This new mythology of governance by the manipulation of knowledge-stock inevitably erodes reliance on government by people.
Our liberty depends on our education, our laws, and habits . . . it is founded on morals and religion, whose authority reigns in the heart, and on the influence all these produce on public opinion before that opinion governs rulers.
Promote then as an object of primary importance, Institutions for the general diffusion of knowledge. In proportion as the structure of a government gives force to public opinion, it is essential that public opinion should be enlightened.
We are the creators of our own happiness and suffering, for everything originates in the mind.
The true bounds and limitations, whereby human knowledge is confined and circumscribed,... are three: the first, that we do not so place our felicity in knowledge, as we forget our mortality: the second, that we make application of our knowledge, to give ourselves repose and contentment, and not distates or repining: the third, that we do not presume by the contemplation of Nature to attain to the mysteries of God.
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