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One cannot explain words without making incursions into the sciences themselves, as is evident from dictionaries; and, conversely, one cannot present a science without at the same time defining its terms.

Gottfried Wilhelm Leibniz

We may say, that not only the soul (the mirror of an indestructible universe) is indestructible, but also the animal itself is, although its mechanism is frequently destroyed in parts.
GOTTFRIED WILHELM LEIBNIZ

Animal Destroy Philosophy Soul Spiritual Universe
The most perfect society is that whose purpose is the universal and supreme happiness.
GOTTFRIED WILHELM LEIBNIZ

Happiness Perfection Purpose Society Universe
I also readily admit that there are animals, taken in the ordinary sense, that are incomparably larger than those we know of, and I have sometimes said in jest that there might be a system like ours which is the pocketwatch of some enormous giant.
GOTTFRIED WILHELM LEIBNIZ

Animal Myself Ordinary System
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.
GOTTFRIED WILHELM LEIBNIZ

Beginning Essence God Himself Knowledge Reason Science
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 WILHELM LEIBNIZ

Genuine Hold Mark Myself Nature Possible Reason
Every substance is as a world apart, independent of everything else except God.
GOTTFRIED WILHELM LEIBNIZ

Exception God Independent Substance World
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 WILHELM LEIBNIZ

Greatness Ground Judgement Ourselves Principle Reason
There never is absolute birth nor complete death, in the strict sense, consisting in the separation of the soul from the body. What we call births are developments and growths, while what we call deaths are envelopments and diminutions.
GOTTFRIED WILHELM LEIBNIZ

Body Born Death Development Growth Separate Soul
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 WILHELM LEIBNIZ

Animal Clear Different Form Ideas Science Soul Yourself
Thus God alone is the primary Unity, or original simple substance, from which all monads, created and derived, are produced.
GOTTFRIED WILHELM LEIBNIZ

God Original Primary Production Simplicity Unity
There is no way in which a simple substance could begin in the course of nature, since it cannot be formed by means of compounding.
GOTTFRIED WILHELM LEIBNIZ

Beginning Form Nature Simplicity Substance Way
To love is to be delighted by the happiness of someone, or to experience pleasure upon the happiness of another. I define this as true love.
GOTTFRIED WILHELM LEIBNIZ

Delight Experience Happiness Love Myself True
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.
GOTTFRIED WILHELM LEIBNIZ

Author Hold Myself Nature Perfection
God’s relation to spirits is not like that of a craftsman to his work, but also like that of a prince to his subjects.
GOTTFRIED WILHELM LEIBNIZ

God Himself Relationship Spirit Subject Work
Justice is charity in accordance with wisdom.
GOTTFRIED WILHELM LEIBNIZ

Charity Justice Wisdom
Imaginary numbers are a fine and wonderful refuge of the divine spirit almost an amphibian between being and non-being.
GOTTFRIED WILHELM LEIBNIZ

Divine Imagination Number Spirit Wonderful