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Imaginary numbers are a fine and wonderful refuge of the divine spirit almost an amphibian between being and non-being.

Gottfried Wilhelm Leibniz

In symbols one observes an advantage in discovery which is greatest when they express the exact nature of a thing briefly and, as it were, picture it; then indeed the labor of thought is wonderfully diminished.
GOTTFRIED WILHELM LEIBNIZ

Diminsh Discover Greatness Nature Photograph Thinking Wonderful
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
There are also two kinds of truths: truth of reasoning and truths of fact.
GOTTFRIED WILHELM LEIBNIZ

Deep Fact Kind Reason Truth
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
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
The world is not a machine. Everything in it is force, life, thought.
GOTTFRIED WILHELM LEIBNIZ

Force Life Machine Thinking World
To love is to place happiness in the heart of another.
GOTTFRIED WILHELM LEIBNIZ

Happiness Heart Love Place
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
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
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
Music is a secret and unconscious mathematical problem of the soul.
GOTTFRIED WILHELM LEIBNIZ

Mathematics Music Myself Problem Secret Soul Unconscious
Virtue is the habit of acting according to wisdom.
GOTTFRIED WILHELM LEIBNIZ

Act Habit Virtue 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
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
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

Evidence Explanation Oneself Science Time
Everything that is possible demands to exist.
GOTTFRIED WILHELM LEIBNIZ

Demand Existence Possible