Quotes About Logic

You raise your voice when you should reinforce your argument.

Good writing is clear. Talented writing is energetic. Good writing avoids errors. Talented writing makes things happen in the reader's mind — vividly, forcefully — that good writing, which stops with clarity and logic, doesn't.

a little town on the Spanish side of the Pyrenees there is only one barber. This barber shaves all the men in the town who do not shave themselves. Does the barber shave himself or not?

To live within the tethers of desire is—again and again—to be shocked at how far they have come loose from reason

Your problem, you see, is that essentially you are a logical pervert, looking for a woman with a mutually compatible logical perversion.

A BMS hears hoofbeats outside his window, the first thing he thinks of is a zebra

Like many profound and unexamined fears, this one breeds irrationality, causing many people to suspend all logic and refuse to participate in rational discourse.

The moment you stop enjoying life, is the moment you've stopped thinking logically.

The basic principles of logic dictate that a statement cannot be both true and false at the same time... and that a statement must be either true or false... Lucy is lying, or she is crazy, or she is telling the truth. She can't be some combination, and she can't be none of those things... The laws of logic dictate that she must be one of them... Notice how practical common sense about the suposed impossibility of other worlds doesn't come into the equation.

In the main, and from the beginning of time, mysticism has kept men sane. The thing that has driven them mad was logic.

Mathematicians use intuition, conjecture and guesswork all the time except when they are in the classroom.

In an approximate way, the logic of commons has been understood for a long time, perhaps since the discovery of agriculture or the invention of private property in real estate.

Mathematics is one of the deepest and most powerful expressions of pure human reason, and, at the same time, the most fundamental resource for description and analysis of the experiential world.

I call it like the domino theory of reality. If you can go one step at a time and it seems to make sense, you can then take your audience into an area that is relatively outlandish.

Logical thinking keeps you from wasting time worrying, or hoping. It prevents disappointment. Imagination, on the other hand, only gets you hyped up over things that will never realistically happen.

One cannot say of something that it is and that it is not in the same respect at the same time.

Of course, no man is entirely in his right mind at any time.

Logic cannot model causal systems, and paradox is generated when time is ignored [as in logic].

There is, then, a logical priority about the arrangements, and logic has nothing to do with time.

When introduced at the wrong time or place, good logic may be the worst enemy of good teaching.

Sloppy thinking gets worse over time.

You ask how loving can happen—the emotion of loving. She answers: Perhaps a sudden lapse in the logic of the universe.

dans tout combat entre le fanatisme et le sens commun, ce dernier a rarement le dessus.

Fact explains nothing. On the contrary, it is fact that requires explanation.