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We never have a full demonstration, although there is always an underlying reason for the truth, even if it is only perfectly understood by God, who alone penetrated the infinite series in one stroke of the mind.

Gottfried Wilhelm Leibniz

I have said more than once, that I hold space to be something purely relative, as time; an order of coexistences, as time is an order of successions.
GOTTFRIED WILHELM LEIBNIZ

Existence Hold Myself Order Space Time
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
I do not conceive of any reality at all as without genuine unity.
GOTTFRIED WILHELM LEIBNIZ

Genuine Myself Reality Unity
Now this connection or adaption 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, and that consequently it is a perpetual living mirror of the universe.
GOTTFRIED WILHELM LEIBNIZ

Connection Creation Expression Relationship Simplicity Universe
There is a certain destiny of everything, regulated by the foreknowledge and providence of God in His works.
GOTTFRIED WILHELM LEIBNIZ

Destiny God Himself Knowledge Regulation Work
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
The world is not a machine. Everything in it is force, life, thought.
GOTTFRIED WILHELM LEIBNIZ

Force Life Machine Thinking World
Indeed in general I hold that there is nothing truer than happiness, and nothing happier and sweeter than truth.
GOTTFRIED WILHELM LEIBNIZ

Happiness Hold Myself Sweet True Truth
Music is the pleasure the human mind experiences from counting without being aware that it is counting.
GOTTFRIED WILHELM LEIBNIZ

Count Experience Happiness Human Mindset Music
The knowledge which we have acquired ought not to resemble a great shop without order, and without an inventory; we ought to know what we possess, and be able to make it serve us in need.
GOTTFRIED WILHELM LEIBNIZ

Greatness Invention Knowledge Possession Service
I also take it as granted that every created thing, and consequently the created monad also, is subject to change, and indeed that this change is continual in each one.
GOTTFRIED WILHELM LEIBNIZ

Change Creation Myself Philosophy Subject
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
Taking mathematics from the beginning of the world to the time when Newton lived, what he had done was much the better half.
GOTTFRIED WILHELM LEIBNIZ

Beginning Better Live Mathematics Time World
In my judgment an organic machine new to nature never arises, since it always contains an infinity of organs so that it can express, in its own way, the whole universe; indeed, it always contains all past and present times.
GOTTFRIED WILHELM LEIBNIZ

Expression Infinity Judgement Nature Organ Past Present Time Universe
Reality cannot be found except in One single source, because of the interconnection of all things with one another.
GOTTFRIED WILHELM LEIBNIZ

Each Other Exception Interconnection Reality Sing
There is nothing waste, nothing sterile, nothing dead in the universe; no chaos, no confusions, save in appearance.
GOTTFRIED WILHELM LEIBNIZ

Chaos Confusion Death Save Universe Wasted