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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.

Gottfried Wilhelm Leibniz

The art of discovering the causes of phenomena, or true hypotheses, is like the art of deciphering, in which an ingenious conjecture often greatly shortens the road.
GOTTFRIED WILHELM LEIBNIZ

Art Discover Greatness Road Short True
The words ‘Here you can find perfect peace’ can be written only over the gates of a cemetery.
GOTTFRIED WILHELM LEIBNIZ

Gate Grave Peace Perfection Word Writing Yourself
..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.
GOTTFRIED WILHELM LEIBNIZ

Call Change Existence God Necessary Reason Substance Ultimate
The pleasure we obtain from music comes from counting, but counting unconsciously. Music is nothing but unconscious arithmetic.
GOTTFRIED WILHELM LEIBNIZ

Arithemetic Count Happiness Music Pleasure
I hold that it is only when we can prove everything we assert that we understand perfectly the thing under consideration.
GOTTFRIED WILHELM LEIBNIZ

Evidence Hold Myself Perfection Understand
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
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.
GOTTFRIED WILHELM LEIBNIZ

Animal Garden Philosophy Plant
Make me the the master of education, and I will undertake to change the world.
GOTTFRIED WILHELM LEIBNIZ

Change Education Master Myself World
Every substance is as a world apart, independent of everything else except God.
GOTTFRIED WILHELM LEIBNIZ

Exception God Independent Substance World
The present is great with the future.
GOTTFRIED WILHELM LEIBNIZ

Future Greatness One Liner Present
There is nothing without reason.
GOTTFRIED WILHELM LEIBNIZ

Karma One Liner Reason
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.
GOTTFRIED WILHELM LEIBNIZ

Act Man Memories Practice Principle Theory
Although the whole of this life were said to be nothing but a dream and the physical world nothing but a phantasm, I should call this dream or phantasm real enough, if, using reason well, we were never deceived by it.
GOTTFRIED WILHELM LEIBNIZ

Dreams Enough Life Myself Reality
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
All things in God are spontaneous.
GOTTFRIED WILHELM LEIBNIZ

God One Liner
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