Logic Quotes

1313 quotes by 899 authors

Mathematics is purely hypothetical: it produces nothing but conditional propositions. — Charles Sanders Peirce
A first fact should surprise us, or rather would surprise us if we were not used to it. How does it happen there are people… — Henri Poincare
But as the work proceeded I was continually reminded of the fable about the elephant and the tortoise. Having constructed an elephant upon which the… — Bertrand Russell
Do you think it's possible that things that seem to be discrete in three dimensions might all be part of the same bigger object in… — Robert J. Sawyer
We admit, in geometry, not only infinite magnitudes, that is to say, magnitudes greater than any assignable magnitude, but infinite magnitudes infinitely greater, the one… — Voltaire
We think of the number "five" as applying to appropriate groups of any entities whatsoever - to five fishes, five children, five apples, five days...… — Alfred North Whitehead
To see what is general in what is particular, and what is permanent in what is transitory, is the aim of scientific thought. — Alfred North Whitehead
The enormous usefulness of mathematics in the natural sciences is something bordering on the mysterious and there is no rational explanation of it. — Eugene Wigner
A nervous excitability, a chronic exaltation of the passion, in which commingle the inferior life of the individual and its exterior manifestations, a state in… — Kadmi Cohen
Everything becomes agitated. Ideas quick-march into motion like battalions of a grand army to its legendary fighting ground, and the battle rages. Memories charge in,… — Honore de Balzac
The logic behind patriotism is a mystery. At least a man who believes that his own family or clan is superior to all others is… — Criss Jami
In learning and argumentation, the quality brain is similar to a facility of maximum security. What passes the logic test, free of fallacy and pretense,… — Criss Jami
I love Logic Audio and have been using it for years. All my track outputs used to come up on my old board in the… — Tony Visconti
They [the mathematicians of the Enlightenment] defined their terms vaguely and used their methods loosely, and the logic of their arguments was made to fit… — Tobias Dantzig
... We in the USA have been depending on prayers, pleading, and self-abasement to a deity to bring us magical advantages, and have been encouraged… — James Randi
... landscapes or still-lifes I paint in between the abstract works; they constitute about one-tenth of my production. On the one hand they are useful,… — Gerhard Richter
The laws against public nudity make no sense. The idea that Jerry Falwell can go topless while Cindy Crawford cannot is an absolute affront to… — Peter McWilliams
A sharp sense of the ironic can be the equivalent of the faith that moves mountains. Far more quicky than reason or logic, irony can… — Moss Hart
There is nothing that one can say about acting, writing, producing or directing that cannot be revoked in the next breath. Nothing is immutable. The… — Moss Hart
... on every important issue life transcends logic and it is folly to depend on reason alone. — Robert Gordis

Who Wrote These Logic Quotes

899 authors contributed a total of 1,313 Logic Quotes, led by these top contributors: