Logical Argument Quotes

Reasonable, sensible men can always make a reasonable scheme appear such to other reasonable men.

Suffrage is a common right of citizenship. Women have the right of suffrage. Logically it cannot be escaped.

Don't talk to me of your Archimedes' lever. He was an absentminded person with a mathematical imagination. Mathematics commands all my respect, but I have no use for engines. Give me the right word and the right accent and I will move the world.

In formal logic, a contradiction is the signal of defeat, but in the evolution of real knowledge it marks the first step in progress toward a victory.

Illogical thinkers throw names and slurs around because they have no arguments with which to rebut their opponents. Rational people have to keep hammering their points home.

Use your logick, and then your rhetorick. Rhetorick without logick, is like a tree with leaves and blossoms, but no root; yet I confess more are taken with rhetorick than logick, because they are catched with a free expression, when they understand not reason. Logick must be natural, or it is worth nothing at all: Your rhetorick figures may be learned.

There is no philosophy which is not founded upon knowledge of the phenomena, but to get any profit from this knowledge it is absolutely necessary to be a mathematician.

It's possible that I shall make an ass of myself. But in that case one can always get out of it with a little dialectic. I have, of course, so worded my proposition as to be right either way.

I think you can be tough and aggressive with facts in a way that you cannot be tough and aggressive with emotional retorts. Most of the people that try to be tough on TV are really just being emotional and not factual.

If you say three things in a row that make sense, people will vote for you.

I can stand brute force, but brute reason is quite unbearable.

Anyone who knows me knows how sharp my mind is. I speak at a thousand miles an hour. I'll hold a discussion or a debate with anyone.

Philosophy is common sense with big words.

If one's cause is supported by sound reasoning, there is no point in using violence. It is those who have no motive other than selfish desire and who cannot achieve their goal through logical reasoning who rely on force.

Military people do not get what they want by being emotional.

Obama's gift for delivering set-piece oratorical tours de force had special resonance to Americans fed up with a president who could hardly string two words together without a collision of syntax and whose idea of clever was the single entendre.

The proof of a theory is in its reasoning, not in its sponsorship. The proof of a theory is in its reasoning, not in its sponsorship.

Talking and eloquence are not the same: to speak and to speak well are two things. A fool may talk, but a wise man speaks.

Reductio ad absurdum, which Euclid loved so much, is one of a mathematician's finest weapons. It is a far finer gambit than any chess play: a chess player may offer the sacrifice of a pawn or even a piece, but a mathematician offers the game.

It would be awesome to be so impressive that we could sway people to our way of thinking just by declaiming our thoughts, but probably most of us lack such gravitas. Luckily, there's something even better: evidence, logic, and argument.

Well it was not exactly a dissertation in logic, at least not the kind of logic you would find in Whitehead and Russell's Principia Mathematica for instance. It looked more like mathematics; no formalized language was used.

Here comes the orator with his flood of words and his drop or reason.

Facts do not speak.

Talking and eloquence are not the same.

Eloquence may set fire to reason.