Metaphysics

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Famous Quotes about Metaphysics

" A distinction must be made between true and false ideas, and that too much rein must not be given to a man's imagination under pretext of its being a clear and distinct intellection. "

Gottfried Leibniz

" I hold that the mark of a genuine idea is that its possibility can be proved, either a priori by conceiving its cause or reason, or a posteriori when experience teaches us that it is in fact in nature. ... It is a good thing to proceed in order and to establish propositions. This is the way to gain ground and to progress with certainty. "

Gottfried Leibniz

" A metaphysician is one who, when you remark that twice two makes four, demands to know what you mean by twice, what by two, what by makes, and what by four. For asking such questions metaphysicians are supported in oriental luxury in the universities, and respected as educated and intelligent men. "

H. L. Mencken

" I say then, that, even after we have experience of the operations of cause and effect, our conclusions from that experience are not founded on (a priori) reasoning, or any process of the understanding. "

David Hume

" After your death you will be what you were before your birth. "

Arthur Schopenhauer

" It follows from what we have just said, that the natural changes of monads come from an internal principle, and that change is continual in each one. ? Now this connection of all created things with each, and of each with all the rest, means that each simple substance has relations which express all the others, each created monad represents the whole universe. "

Gottfried Leibniz

" Do you wish to be great? Then begin by being. Do you desire to construct a vast and lofty fabric? Think first about the foundations of humility. The higher your structure is to be, the deeper must be its foundation. "

Saint Augustine

" We then call the one object, Cause; the other, Effect. We suppose that there is some connexion between them; some power in the one, by which it infallibly produces the other, and operates with the greatest certainty and strongest necessity. "

David Hume

" Every possible idea therefore may be said to be used existentially, for every possible idea qualifies and is true of a real world. And the number of real worlds, in a word, is indefinite. Every idea therefore in a sense is true, and is true of reality. The question with every idea is how far and in what sense is it true. The question is always whether, qualifying reality in one sense, the idea qualifies reality in another sense also. For, true in one world, an idea may be false in another world... "

Francis Bradley

" Everything flows and nothing stays. "

Heraclitus

" I agree with you that it is important to examine our presuppositions, thoroughly and once for all, in order to establish something solid. For I hold that it is only when we can prove all that we bring forward that we perfectly understand the thing under consideration. I know that the common herd takes little pleasure in these researches, but I know also that the common herd take little pains thoroughly to understand things. "

Gottfried Leibniz

" All arguments concerning existence are founded on the relation of cause and effect; that our knowledge of that relation is derived entirely from experience; and all our experimental conclusions proceed upon the supposition that the future will be conformable to the past. .... Without the influence of custom, we should be entirely ignorant of every matter of fact beyond what is immediately present to the memory and senses. "

David Hume

" Experience only teaches us, how one event constantly follows another; without instructing us in the secret connexion, which binds them together, and renders them inseparable. "

David Hume

" When we look about us towards external objects, and consider the operation of causes, we are never able, in a single instance, to discover any power or necessary connexion; any quality, which binds the effect to the cause, and renders the one an infallible consequence of the other. "

David Hume

" It is impossible, therefore, that any arguments from experience can prove this resemblance of the past to the future; since all these arguments are founded on the supposition of that resemblance. Let the course of things be allowed hitherto ever so regular; that alone, without some new argument or inference, proves not that, for the future, it will continue so. "

David Hume

" The unrest which keeps the never-stopping clock metaphysics going is the thought that the non-existence of this world is just as possible as its existence. "

William James

" I'm astounded by people who want to know the universe when it's hard enough to find your way around Chinatown. "

Woody Allen

" I was thrown out of college for cheating on the metaphysics exam; I looked into the soul of the boy sitting next to me. "

Woody Allen

" I maintain also that substances, whether material or immaterial, cannot be conceived in their bare essence without any activity, activity being of the essence of substance in general. "

Gottfried Leibniz

" A little cooling down of animal excitability and instinct, a little loss of animal toughness, a little irritable weakness and descent of the pain-threshold, will bring the worm at the core of all our usual springs of delight into full view, and turn us into melancholy meta physicians. "

William James

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