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On the Fourfold Root of the Principle of Sufficient Reason

Arthur Schopenhauer

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Book Excerpt: 
. . .d quantity, whatever may have become of its form; likewise, when we perceive a body suddenly in a place, where it was not before, that it must have been brought there or formed by some combination of invisible particles—for instance, by precipitation—but that it, i.e. its substance, cannot have then started into existence; for this implies a total impossibility and is utterly inconceivable. The certainty with which we assume this beforehand (à priori), proceeds from the fact, that our Understanding possesses absolutely no form under which to conceive the beginning and end of Matter. For, as before said, the law of causality—the only form in which we are able to conceive changes at all—is solely applicable to states of bodies, and never under any circumstances to the existence of that which undergoes all changes: Matter. This is why I place the principle of the permanence of Matter among the corollaries of the causal law. Moreover, we canno. . . Read More

Community Reviews

There is probably no better explanation of Transcendental Idealism than Schopenhauer's On the Fourfold Root of the Principle of Sufficient Reason. Schopenhauer was an incredibly skilled philosopher, with a cutting wit as sharp as his intellect. He comes across a bit petty when he criticizes Hegel. B

En el prólogo de El mundo como voluntad y representación, Schopenhauer nos indica varios requisitos para leerlo: Haber leído su tesis (este libro), tres libros de Kant (uno de ellos Prolegómenos), y varias cosas más. Me tomé en serio (parte de) su recomendación, y me alegro mucho de haberlo hecho.


Schopenhauer epitomizes the philosophical blowhard. Having an ego is not rare among philosophers. Indeed, it’s quite common, but Schopenhauer takes it to the next level. Hegel was egotistical, but his egotism was largely due to his over appreciation. Schopenhauer’s ego was due to his perceived under

I have just finished reading both titles in this hideous volume that I bought through Amazon books titled "On the Fourfold Root of he Principle of Sufficient Reason" by Arthur Schopenhauer. I call it hideous because the printing standards are low. The publisher is such a nonentity that they don't ha

I have very rarely read a book that I could feel changing my internal architecture page by page. Many other people have said this, but with Schopenhauer, I feel like I'm seeing my own thoughts and most deeply held convictions elucidated with an order and precision I could never achieve myself. I hav

به گمانم بيشتر خوانندگان اين كتاب مسير مشابهي را پيموده اند كه از مقدمه ي "جهان همچون اراده و تصور" مي گذرد، جايي كه شوپنهاور مطالعه ي "ريشه..." را پيش نياز ضروري آغاز اثر عظيم مي داند. همان جا پيش نياز ديگر آشنايي با فلسفه ي كانت بيان مي شود كه بدون شك پيش نياز كمابيش ضروري اثر حاضر نيز هست؛ دستكم

Πάνω από 4.5 αστέρια, κάτω από 5.

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Παρέλειψα και θα παραλείψω για λίγο ακόμα ν' ανεβάσω μία κριτική ή μάλλον περισσότερο μία σύνοψη γι' αυτό το βιβλίο,. ωστόσο θέλω να σημειώσω ότι δεν έχω σταματήσει να "τσιμπολογώ" απ' αυτό. Νομίζω πως δε μπορώ να το ξεπεράσω κι είναι το δεύτερο

Zunächst sollte man mal erwähnen, dass, wenn der große Schopenhauer darauf verzichtet hätte, seine Rivalen vom sogenannten "philosophischen Gewerbe" in der hier vorliegenden Ausführlichkeit zu beschimpfen, dieses Buch wohl nur zwei Drittel seiner Seitenzahl ausgefüllt hätte.
Während die Tiraden anfa

Schopenhauer finds it necessary to rescue noumena causa from Kant by calibrating our human experience to these four grounds of causation. These four grounds for Schopenhauer arise naturally due to different cuts in reasoning's consistency. Admittedly these grounds are somewhat arbitrary, but he is u

Arthur told us to read this as the introduction to The World as Will and Representation, and boy was he right. Schopenhauer explains his treatment of Kant's philosophy so succinctly that WWR is really an exposition of what is written here. The strangest thing about Schopenhauer to me when i first ap

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