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"Roughly speaking: to say of two things that they are identical is nonsense, and to say of one thing that it is identical with itself is to say nothing."
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"Not everyone understands what a completely rational process this is, this maintenance of a motorcycle. They think it's some kind of 'knack' or some kind of 'affinity for machines' in operation. They are right, but the knack is almost purely a process of reason, and most of the troubles are caused by what old time radio men called a 'short between the earphones,' failures to use the head properly. A motorcycle functions entirely in accordance with the laws of reason, and a study of the art of motorcycle maintenance is really a miniature study of the art of rationality itself."
"If-Then" is a structured logic of humans' thought,who have memories and imagination in their mind. If both don't exist, Then this quote has never even been written."
"It is always easy to be logical. It is almost impossible to be logical to the bitter end."
"Logic is the art of non-contradictory identification. A contradiction cannot exist. No concept man forms is valid unless he integrates it without contradiction into the total sum of his knowledge. To arrive at a contradiction is to confess an error in one's thinking, to maintain a contradiction is to abdicate one's mind and to evict oneself from the realm of reality."
"Very little is needed for everything to be upset and ruined, only a slight lapse in reason."
"2 + 2 equal 4... so far I don't think it will change to 5 or 6, it's near to fact, but the probability of the ability... equals not a fact!"
Explore more quotes by Ludwig Wittgenstein
"When one is frightened of the truth then it is never the whole truth that one has an inkling of."
"Philosophy is like trying to open a safe with a combination lock: each little adjustment of the dials seems to achieve nothing, only when everything is in place does the door open."
"The great delusion of modernity, is that the laws of nature explain the universe for us. The laws of nature describe the universe, they describe the regularities. But they explain nothing."
"There is a truth in Schopenhauer's view that philosophy is an organism, and that a book on philosophy, with a beginning and end, is a sort of contradiction. ... In philosophy matters are not simple enough for us to say 'Let's get a rough idea', for we do not know the country except by knowing the connections between the roads."
"Philosophy should make clear and delimit sharply the thoughts which otherwise are, as it were, opaque and blurred."
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