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The greatness of a life can only be estimated by the multitude of its actions. We should not count the years, it is our actions which constitute our life.

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 present is great with the future.
GOTTFRIED WILHELM LEIBNIZ

Future Greatness One Liner Present
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
Nothing is accomplished all at once, and it is one of my great maxims, and one of the most completely verified, that Nature makes no leaps: a maxim which I have called the law of continuity.
GOTTFRIED WILHELM LEIBNIZ

Accomplishment Greatness Law Myself Nature
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
There is a world of created beings – living things, animals, entelechies, and souls – in the least part of matter. Thus there is nothing waste, nothing sterile, nothing dead in the universe; no chaos, no confusions, save in appearance.
GOTTFRIED WILHELM LEIBNIZ

Animal Appearance Chaos Confusion Creation Death Live Save Universe Wasted World
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
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.
GOTTFRIED WILHELM LEIBNIZ

Excellence Lose Machine Man Slave Time
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 past is pregnant with the present.
GOTTFRIED WILHELM LEIBNIZ

One Liner Past Perspective Pregnant Present
But it is the knowledge of necessary and eternal truths which distinguishes us from mere animals, and gives us reason and the sciences, raising us to knowledge of ourselves and God. It is this in us which we call the rational soul or mind.
GOTTFRIED WILHELM LEIBNIZ

Animal Forever Infinity Knowledge Mindset Necessary Soul Truth
There is nothing without a reason.
GOTTFRIED WILHELM LEIBNIZ

Philosophy Reason
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 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
Virtue is the habit of acting according to wisdom.
GOTTFRIED WILHELM LEIBNIZ

Act Habit Virtue Wisdom
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