A priori Logical propositions are such as can be known a priori without study of the actual world.
Interpretation
A priori propositions are those that can be understood without empirical evidence or experience.
The quote by Bertrand Russell discusses the nature of a priori logical propositions, which are inherent truths or knowledge that can be known independently of experience in the physical world. This highlights a critical distinction in philosophy between what can be deduced through reason alone and what must be verified through observation and empirical study, emphasizing the value and limitations of different types of knowledge.
In practice
This quote can be used in a philosophy class discussion about the nature of knowledge.
St. Paul introduced an entirely novel view of marriage, that it existed primarily to prevent the sin of fornication. It is just as if one were to maintain that the sole reason for baking bread is to prevent people from stealing cake.
Freedom comes only to those who no longer ask of life that it shall yield them any of those personal goods that are subject to the mutations of time.
Of these austerer virtues the love of truth is the chief, and in mathematics, more than elsewhere, the love of truth may find encouragement for waning faith. Every great study is not only an end in itself, but also a means of creating and sustaining a lofty habit of mind; and this purpose should be kept always in view throughout the teaching and learning of mathematics.
At all times, except when a monarch could enforce his will, war has been facilitated by the fact that vigorous males, confident of victory, enjoyed it, while their females admired them for their prowess.
Moreover, the attitude that one ought to believe such and such a proposition, independently of the question whether there is evidence in its favor, is an attitude which produces hostility to evidence and causes us to close our minds to every fact that does not suit our prejudices.
Extreme hopes are born from extreme misery.
In fact, it is a farce to call any being virtuous whose virtues do not result from the exercise of its own reason.
The very definition of the real becomes: that of which it is possible to give an equivalent reproduction. The real is not only what can be reproduced, but that which is always already reproduced. The hyper real.
It's not the voting that's democracy; it's the counting.
The idea that human kind can shape the world according to wish is what I call the fatal conceit
Tawwakul is not an act of the limbs-it is an act of the heart. And so while the limbs are striving hard, the heart is completely reliant on Allah. This means whatever the outcome of the limbs' striving, the heart will be completely satisfied, knowing that it is the flawless decision of Allah. But in order to reach this level, one must hold on to hope, strive with the limbs, and let go with the heart.
Self-examination - when the whole world around you is pressuring that and challenging you - is very, very hard. Looking at a whole structure - in my case, let us say of snobbery, basking in certain privileges, marks of what appear to be superiority - that's ugly to look at.
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