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Our reasonings are grounded upon two great principles, that of contradiction, in virtue of which we judge false that which involves a contradiction, and true that which is opposed or contradictory to the false.

Gottfried Leibniz

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Gottfried Leibniz
Age: 70 †
Born: 1646
Born: July 1
Died: 1716
Died: November 14
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For since it is impossible for a created monad to have a physical influence on the inner nature of another, this is the only way in which one can be dependent on another.
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God makes nothing without order, and everything that forms itself develops imperceptibly out of small parts.
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Nothing is accomplished all at once, and it is one of my great maxims, and one of the most completely verified, that Nature makes no leaps: a maxim which I have called the law of continuity.
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It's easier to be original and foolish than original and wise.
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We should like Nature to go no further we should like it to be finite, like our mind but this is to ignore the greatness and majesty of the Author of things.
Gottfried Leibniz
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It is God who is the ultimate reason things, and the Knowledge of God is no less the beginning of science than his essence and will are the beginning of things.
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I hold that it is only when we can prove everything we assert that we understand perfectly the thing under consideration.
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Natural religion itself, seems to decay very much. Many will have human souls to be material: others make God himself a corporeal being.
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A great doctor kills more people than a great general.
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To love is to place happiness in the heart of another.
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Men act like brutes in so far as the sequences of their perceptions arise through the principle of memory only, like those empirical physicians who have mere practice without theory.
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The present is great with the future.
Gottfried Leibniz
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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.
Gottfried Leibniz
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If you have a clear idea of a soul, you will have a clear idea of a form for it is of the same genus, though a different species.
Gottfried Leibniz
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The world is not a machine. Everything in it is force, life, thought.
Gottfried Leibniz
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The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic.
Gottfried Leibniz
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It is unworthy of excellent men to lose hours like slaves in the labor of calculation which could be relegated to anyone else if machines were used.
Gottfried Leibniz
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I am convinced that the unwritten knowledge scattered among men of different callings surpasses in quantity and in importance anything we find in books, and that the greater part of our wealth has yet to be recorded.
Gottfried Leibniz
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...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
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I have seen something of the project of M. de St. Pierre, for maintaining a perpetual peace in Europe. I am reminded of a device in a cemetery, with the words: Pax perpetua for the dead do not fight any longer: but the living are of another humor and the most powerful do not respect tribunals at all.
Gottfried Leibniz