All that passes for knowledge can be arranged in a hierarchy of degrees of certainty, with arithmetic and the facts of perception… — Bertrand Russell Copy Share Image
Moreover, the attitude that one ought to believe such and such a proposition, independently of the question whether there is evidence in… — Bertrand Russell Copy Share Image
History is valuable, to begin with, because it is true; and this, though not the whole of its value, is the foundation… — Bertrand Russell Copy Share Image
The desire for legitimate offspring is, in fact, according to the Catholic Church, the only motive which can justify sexual intercourse. — Bertrand Russell Copy Share Image
Ignore fact and reason, live entirely in the world of your own fantastic and myth-producing passions; do this whole-heartedly and with conviction,… — Bertrand Russell Copy Share Image
The first man who said "fire burns" was employing scientific method, at any rate if he had allowed himself to be burnt… — Bertrand Russell Copy Share Image
The Eugenic Society . . . is perpetually bewailing the fact that wage-earners breed faster than middle-class people. — Bertrand Russell Copy Share Image
The fact that a belief has a good moral effect upon a man is no evidence whatsoever in favor of its truth.… — Bertrand Russell Copy Share Image
Most of the greatest evils that man has inflicted upon man have come through people feeling quite certain about something which, in… — Bertrand Russell Copy Share Image
If a man is offered a fact which goes against his instincts, he will scrutinize it closely, and unless the evidence is… — Bertrand Russell Copy Share Image
The fact that all Mathematics is Symbolic Logic is one of the greatest discoveries of our age; and when this fact has… — Bertrand Russell Copy Share Image
The Christian view that all intercourse outside marriage is immoral was, as we see in the above passages from St. Paul, based… — Bertrand Russell Copy Share Image
Never let yourself be diverted, either by what you wish to believe, or what you think could have beneficent social effects if… — Bertrand Russell Copy Share Image
Remote from human passions, remote even from the pitiful facts of nature, the generations have gradually created an ordered cosmos [mathematics], where… — Bertrand Russell Copy Share Image
It can be shown that a mathematical web of some kind can be woven about any universe containing several objects. The fact… — Bertrand Russell Copy Share Image
Love is wise; hatred is foolish. In this world, which is getting more and more closely interconnected, we have to learn to… — Bertrand Russell Copy Share Image
Sir Arthur Eddington deduces religion from the fact that atoms do not obey the laws of mathematics. Sir James Jeans deduces it… — Bertrand Russell Copy Share Image
The degree of one's emotions varies inversely with one's knowledge of the facts. — Bertrand Russell Copy Share Image
Science, in its ultimate ideal, consists of a set of propositions arranged in a hierarchy, the lowest level of the hierarchy being… — Bertrand Russell Copy Share Image
Formality Thus the absence of all mention of particular things or properties in logic or pure mathematics is a necessary result of… — Bertrand Russell Copy Share Image
Those who forget good and evil and seek only to know the facts are more likely to achieve good than those who… — Bertrand Russell Copy Share Image
Almost all education has a political motive: it aims at strengthening some group, national or religious or even social, in the competition… — Bertrand Russell Copy Share Image
At all times, except when a monarch could enforce his will, war has been facilitated by the fact that vigorous males, confident… — Bertrand Russell Copy Share Image
If the State does not acquire supremacy over [vast private] enterprises, it becomes their puppet, and they become the real State. — Bertrand Russell Copy Share Image
That the world is in a bad shape is undeniable, but there is not the faintest reason in history to suppose that Christianity offers… — Bertrand Russell Copy Share Image
Those who advocate common usage in philosophy sometimes speak in a manner that suggests the mystique of the 'common man.' — Bertrand Russell Copy Share Image
“Such, in outline, but even more purposeless, more void of meaning, is the world which Science presents for our belief. Amid such a world,… — Bertrand Russell Copy Share Image
Dr. Arnold . . . the admired reformer of public schools, came across some cranks who thought it a mistake to flog boys. Anyone… — Bertrand Russell Copy Share Image
Of all evils of war the greatest is the purely spiritual evil: the hatred, the injustice, the repudiation of truth, the artificial conflict. — Bertrand Russell Copy Share Image
Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by… — Bertrand Russell Copy Share Image
If an opinion contrary to your own makes you angry, that is a sign that you are subconsciously aware of having no good reason… — Bertrand Russell Copy Share Image
I cannot escape from the conclusion that the great ages of progress have depended upon a small number of individuals of transcendent ability. — Bertrand Russell Copy Share Image
I think it would be just to say the most essential characteristic of mind is memory, using this word in its broadest sense to… — Bertrand Russell Copy Share Image
The newspapers at one time said that I was dead but after carefully examining the evidence I came to the conclusion that this statement… — Bertrand Russell Copy Share Image
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