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Quote by Immanuel Kant

“Here I shall add that the concept of change, and with it the concept of motion, as change of place, is possible only through and in the representation of time. & Motion, for example, presupposes the perception of something movable. But space considered in itself contains nothing movable; consequently motion must be something which is found in space only through experience -in other words, is an empirical datum.”

Quote by Immanuel Kant

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German philosopher, an important representative of the Enlightenment movement, and the founder of the Kantian philosophical system. His thoughts have had a profound impact on the fields of philosophy, ethics, political science, and others. more

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“Upon the solution of this problem, or upon sufficient proof of the impossibility of synthetical knowledge a priori, depends the existence or downfall of metaphysics.”

Problem Existence Depends Words Of Wisdom Solutions Proof Sufficient Metaphysics Impossibility Downfall

Book:Delphi Collected Works of Immanuel Kant (Illustrated)

Source: Delphi Collected Works of Immanuel Kant (Illustrated)

“This can never become popular, and, indeed, has no occasion to be so; for fine-spun arguments in favour of useful truths make just as little impression on the public mind as the equally subtle objections brought against these truths. On the other hand, since both inevitably force themselves on every man who rises to the height of speculation, it becomes the manifest duty of the schools to enter upon a thorough investigation of the rights of speculative reason, and thus to prevent the scandal which metaphysical controversies are sure, sooner or later, to cause even to the masses.”

Source: Critique of pure reason, tr. by J.M.D. Meiklejohn

“Reality cannot be found except in One single source, because of the interconnection of all things with one another. 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.”

Reality Found Materials Source Words Of Wisdom Activity All Things Essence Substance Interconnection

Author: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.”

Ideas Reason Facts Causes Teach Possibility Words Of Wisdom Mark Genuine Conceiving

Author:Gottfried Leibniz

“I agree with you that it is important to examine our presuppositions, throughly 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.”

Knows Littles Important Pain Order Pleasure Common Words Of Wisdom Prove Research Agree Consideration Herds

Author:Gottfried Leibniz

“But it is the knowledge of necessary and eternal truths which distinguishes us from mere animals, and gives us reason and the sciences, raising us to knowledge of ourselves and God. It is this in us which we call the rational soul or mind.”

Giving Mind Soul Reason Animal Words Of Wisdom Eternal Mere Rational

Author:Gottfried Leibniz

“The vast majority of gun owners don't kill, but people who do kill, tend to kill with guns, and often with illegal guns.”

People Gun Majority Owners Illegal Gun Owners Illegal Guns

Author:Alan Dershowitz

“When a truth is necessary, the reason for it can be found by analysis, that is, by resolving it into simpler ideas and truths until the primary ones are reached. It is this way that in mathematics speculative theorems and practical canons are reduced by analysis to definitions, axioms and postulates.”

Way Ideas Reason Found Words Of Wisdom Truth Is Mathematics Definitions Practicals Primaries Analysis Axioms Theorems Canon

Author:Gottfried Leibniz

“..This is why the ultimate reason of things must lie in a necessary substance, in which the differentiation of the changes only exists eminently as in their source; and this is what we call God.”

Reason Lying Source Words Of Wisdom Ultimate Substance Word Of God Differentiation

Author:Gottfried Leibniz

“Thus God alone is the primary Unity, or original simple substance, from which all monads, created and derived, are produced.”

Simple Words Of Wisdom Originals Unity Primaries Substance

Author:Gottfried Leibniz