Quotes About Logic

Ah! my dear Watson, there we come into those realms of conjecture, where the most logical mind may be at fault. Each may form his own hypothesis upon the present evidence, and yours is as likely to be correct as mine.

It is a capital mistake to theorize before you have all the evidence. It biases the

To the logician all things should be seen exactly as they are, and to underestimate one's self is as much a departure from truth as to exaggerate one's own powers.

Arthur Conan Doyle

explained is the statement   

fact appears to be opposed to a long train of deductions, it invariably proves to be capable of bearing some other interpretation.

Las cuestiones emocionales son enemigas del razonamiento claro.

Arthur Conan Doyle

Yeah, but emotions don't have brains. (Acheron)

Fear', the doctor said, 'is the relinquishment of logic, the willing relinquishing of reasonable patterns. We yield to it or we fight it, but we cannot meet it halfway.

Fear is the relinquishment of logic, the willing relinquishing of reasonable patterns. We yield to it or we fight it, but we cannot meet it halfway.

Fear, is the relinquishment of logic, the willing relinquishment of reasonable patterns. We yield to it or we fight it, but we cannot meet it halfway.

Fear is the relinquishment of logic, the willing relinquishing of reasonable patterns. We yield it or we fight it, but we cannot meet at half way.

Fear," the doctor said, "is the relinquishment of logic, the willing relinquishing of reasonable patterns. We yield to it or we fight it, but we cannot meet it halfway.

The dream shows how recollections of one's everyday life can be worked into a structure where one person can be substituted for another, where unacknowledged feelings like envy and guilt can find expression, where ideas can be linked by verbal similarities, and where the laws of logic can be suspended.

Then, when the entire mass of these dream-thoughts is subject to the pressure of the dream-work, and the pieces are whirled about, broken up, and pushed up against one another, rather like ice-floes surging down a river, the question arises: what has become of the bonds of logic which had previously given the structure its form?

Si colocamos en un orden arbitrario las palabras de un verso, nos será muy difícil retenerlo así en nuestra memoria. «Bien ordenadas y en sucesión lógica, se ayudan unas palabras a otras, y la totalidad plena de sentido es fácilmente recordada durante largo tiempo. Lo desprovisto de sentido nos es tan difícil de retener como lo confuso o desordenado.»

Geometria este ?tiin?a care trage concluzii corecte din figuri incorecte

The Roman people paid great attention to the rightness of their wars in the building of the empire. 'When the inception of war seems just,' ran the logic, 'it makes victory greater and ill success less perilous, while if it is thought to be dishonourable and wrong, it has the opposite effect'.

what Russell called a 'logical construction out of aggregates of facts. (This does not mean that all statements about the average are sensible or useful: as has been said, the average person has one testicle and one breast.)

Leibniz thought that if we had a sufficiently logical notation, dispute and confusion would cease, and men would sit together and resolve their disputes by calculation.

An argument is valid when there is no way—meaning no possible way—that the premises, or starting points, could be true without the conclusion being true

I think Oscar Wilde is right when he defines love in De Profundis as giving what one does have and receiving that over which one has no power. To love is to commit oneself to another not without the guarantee that love will be returned, but with the hope that it might be. Love takes place in the subjunctive mood: it may be, it might be, would that it were the case. The logic of love is akin to the logic of grace.

I did not act from logic, sire, but pinciple. Where is the value of principle if a man refuses to place his faith in it, come what may?