Some atheists are quite explicit that their atheism comes first. One of the most famous is Richard Lewontin, a professor of genetics, who said it wasn't science that compelled him to accept a materialistic explanation of the universe. It was an a priori materialism.— John Lennox
Sentimental Priori quotations
The test of a theory is its ability to cope with all the relevant phenomena, not its a priori 'reasonableness'. The latter would have proved a poor guide in the development of science, which often makes progress by its encounter with the totally unexpected and initially extremely puzzling.
Philosophy stands in need of a science which shall determine the possibility, principles, and extent of human knowledge à priori.
All sentences of the type 'deconstruction is X' or 'deconstruction is not X', a priori miss the point, which is to say that they are at least false. As you know, one of the principal things at stake in what is called in my texts 'deconstruction', is precisely the delimiting of ontology and above all of the third-person present indicative: S is P.
The ultimate arbiter of truth is experiment, not the comfort one derives from one's a priori beliefs, nor the beauty or elegance one ascribes to one's theoretical models.
FACT: The Priory of Sion - a European secret society founded in 1099 - is a real organization. In 1975 Paris's Bibliothque Nationale discovered parchments known as Les Dossiers Secrets, identifying numerous members of the Priory of Sion, including Sir Isaac Newton, Botticelli, Victor Hugo, and Leonardo da Vinci.
All of life is iterative. It goes back to the point I made earlier, which is you can't a priori know enough to even ask the right questions.
What I most cherish is the observation of the movement of colors.
Only in this have I found the laws of those simultaneous and complementary color contrasts that nourish the actual rhythm of my vision. In this I find the actual essence, an essence which is not born out of an a priori system or theory.
But what I attach great importance to is observation of the movement of colors.
It is only in this way that I have found the laws of complementary contrast and the simultaneity of those colors that nourish the rhythm of my vision. There I find the representative essence — which does not arise from a system or an a priori theory.
Natural science physics contains in itself synthetical judgments a priori, as principles. ... Space then is a necessary representation a priori, which serves for the foundation of all external intuitions.
The verdict of a jury is the a priori opinion of that juror who smokes the worst cigars.
Both a priori reasoning and experience teach us that as as these funds grow larger the geometrical rate of growth by compound interest ultimately defeats itself.
I don't think that anything of any consequence is known a priori: all our knowledge is built up by modifying the lore passed on to us by our ancestors in light of our experiences, and the best a philosopher can do is to learn as much about what has been discovered in various empirical fields, and use it to try to craft an improved synthesis.
What we think of as reality is a continuous synthesis of elements from a fixed hierarchy of a priori concepts and the ever changing data of the senses.
We come now to the question: what is a priori certain or necessary, respectively in geometry (doctrine of space) or its foundations? Formerly we thought everything; nowadays we think nothing. Already the distance-concept is logically arbitrary; there need be no things that correspond to it, even approximately.
A priori Logical propositions are such as can be known a priori without study of the actual world.
The exact sciences also start from the assumption that in the end it will always be possible to understand nature, even in every new field of experience, but that we may make no a priori assumptions about the meaning of the word understand.
We have a priori reasons for believing that in every sentence there is some one order of words more effective than any other; and that this order is the one which presents the elements of the proposition in the succession in which they may be most readily put together.
I can see no justification whatever for the attitude which refuses on purely a priori grounds to accept action at a distance ... Such an attitude bespeaks an unimaginativeness, a mental obtuseness and obstinacy.
It was Darwin's chief contribution, not only to Biology but to the whole of natural science, to have brought to light a process by which contingencies a priori improbable, are given, in the process of time, an increasing probability, until it is their non-occurrence rather than their occurrence which becomes highly improbable.
The downside of skepticism: it can easily turn into an arrogant position of a priori rejection of any new phenomenon or idea, a position that is as lacking in critical thinking as the one of the true believer, and that simply does not help either science or the public at large.
Upon the solution of this problem, or upon sufficient proof of the impossibility of synthetical knowledge a priori, depends the existence or downfall of metaphysics.
In philosophical terms, the opposite of rationalism is not irrationalism but empiricism, that is, a willingness to form beliefs on the basis of experience rather than from a priori deduction. Empirical evidence never yields the dogmatic certainty that accompanies logical deduction.
Notwithstanding their attacks on the basic conception of rationalism, on synthetic a priori judgments, that is, material propositions that cannot be contradicted by any experience, the empiricist posits the forms of being as constant.
Evolution advances, not by a priori design, but by the selection of what works best out of whatever choices offer. We are the products of editing, rather than of authorship.
given the nature of the human couple, the love of a man and a woman is a priori inferior to that which can exist (at least in the best instances) in the love between man and dog...It is a completely selfless love.
Educating a son I should allow him no fairy tales and only a very few novels.
This is to prevent him from having 1. the sense of romantic solitude (if he is worth anything he will develop a proper and useful solitude) which identification with the hero gives. 2. cant ideas of right and wrong, absurd systems of honor and morality which never will he be able completely to get rid of, 3. the attainment of ideals, of a priori desires, of a priori emotions. He should amuse himself with fact only: he will then not learn that if the weak younger son do or do not the magical honorable thing he will win the princess with hair like flax.
Any necessary truth, whether a priori or a posteriori, could not have turned out otherwise.
It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us.
I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature.
I still go to a Christian priory for retreats.
Often one postulates that a priori, all states are equally probable.
This is not true in the world as we see it. This world is not correctly described by the physics which assumes this postulate.
In this movement of colors I find the essence, which does not arise from a system, or an a priori theory.
We must admit with humility that, while number is purely a product of our minds, space has a reality outside our minds, so that we cannot completely prescribe its properties a priori.
I don't believe in capital per se or a priori but I do occasionally believe in personal capital vis-a- vis psychic energy exchange. I use the word "capital" only poetically.