Quotes About Logic

That voice didn't have logic on its side, but it didn't need to. It had good lungs and just outscreamed logic.

Everything had been a battle of wills, an opportunity for him to lecture her, another reason for him to correct her faulty logic or lack of information.

dos personas pueden mirar lo mismo, disentir, y sin embargo estar ambas en lo cierto. No se trata de lógica, sino de psicología.

It's not logical; it's psychological.

The heart has its reasons which reason knows not of. PASCAL

Notice the sequence: ethos, pathos, logos—your character, and your relationships, and then the logic of your presentation.

actuar como "abogado del diablo". Este método es ideal para comprobar la fortaleza de nuestro razonamiento e identificar sus principales debilidades.

Se ha demostrado que la toma de decisiones más se basa en las emociones y en las suposiciones que en la lógica.

truth is only needed when sufficient reasons make it necessary

desire is the killer of reason.

In short, science is well positioned to properly handle belief. Religion is not.

The position I now favor is that economics is a pre-science, rather like astronomy before Copernicus, Brahe and Galileo. I still hold out hope of better behavior in the future, but given the travesties of logic and anti-empiricism that have been committed in its name, it would be an insult to the other sciences to give economics even a tentative membership of that field.1

For emotion is the enemy of rational argument.

Porque no hay nada como la pura fuerza de los números para retirar capas de confusión y contradicción.

Correlation does not equal causality.

emotion is the enemy of rational argument.

Freakonomics is out to dazzle you with facts; The Armchair Economist is out to dazzle you with logic.

The typical imperative from biology is not Thou shalt... , but If ... then ... else.

And as excellent as our cognitive systems are, in the modern world we must know when to discount them and turn our reasoning over to instruments—the tools of logic, probability, and critical thinking that extend our powers of reason beyond what nature gave us. Because in the twenty-first century, when we think by the seat of our pants, every correction can make things worse, and can send our democracy into a graveyard spiral.

smarter people tend to think more like economists

The American punctuation rule sticks in the craw of every computer scientist, logician, and linguist, because any ordering of typographical delimiters that fails to reflect the logical nesting of the content makes a shambles of their work.

Good writing takes advantage of a reader's expectations of where to go next. It accompanies the reader on a journey, or arranges the material in a logical sequence (general to specific, big to small, early to late), or tells a story with a narrative arc.

Can reason lead us in directions that are good or decent or moral? After all, you pointed out that reason is just a means to an end, and the end depends on the reasoner's passions. Reason can lay out a road map to peace and harmony if the reasoner wants peace and harmony, but it can also lay out a road map to conflict and strife if the reasoner delights in conflict and strife. Can reason force the reasoner to want less cruelty and waste?

To make decisions "rationally," by some set of rules, means to base the decisions on some grounds of truth: