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.
GOTTFRIED LEIBNIZHe who hasn’t tasted bitter things hasn’t earned sweet things.
More Gottfried Leibniz Quotes
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And there must be simple substances, because there are compounds; for the compound is nothing but a collection or aggregatum of simples.
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Indeed every monad must be different from every other. For there are never in nature two beings, which are precisely alike, and in which it is not possible to find some difference which is internal, or based on some intrinsic quality.
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Each portion of matter may be conceived of as a garden full of plants, and as a pond full of fishes. But each branch of the plant, each member of the animal, each drop of its humors, is also such a garden or such a pond.
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Of what use would it be to you, sir, to become King of China on condition that you forgot what you have been? Would it not be the same as if God, at the same time he destroyed you, created a King in China?
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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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Philosophy consists mostly of kicking up a lot of dust and then complaining that you can’t see anything.
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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.
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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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Justice is charity in accordance with wisdom.
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Every present state of a simple substance is the natural consequence of its preceding state, in such a way that its present is big with its future.
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There are also two kinds of truths: truth of reasoning and truths of fact.
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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.
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I do not conceive of any reality at all as without genuine unity.
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I am so in favor of the actual infinite that instead of admitting that Nature abhors it, as is commonly said, I hold that Nature makes frequent use of it everywhere, in order to show more effectively the perfections of its Author.
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For things remain possible, even if God does not choose them. Indeed, even if God does not will something to exist, it is possible for it to exist, since, by its nature, it could exist if God were to will it to exist.
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