Quotes of All Topics . Occasions . Authors
Eyesight should learn from reason.
Nature loves simplicity and unity.
Where there is matter, there is geometry.
Why are things as they are and not otherwise?
Nature uses as little as possible of anything.
Without proper experiments I conclude nothing.
Planets move in ellipses with the Sun at one focus.
Geometry is the archetype of the beauty of the world.
Geometry is one and eternal shining in the mind of God
The radius vector describes equal areas in equal times.
Do we ask what profit the little bird hopes for in singing?
Science is the process of thinking God's thoughts after Him.
[God] is the kind Creator who brought forth nature out of nothing.
Truth is the daughter of time, and I feel no shame in being her midwife.
O telescope, instrument of much knowledge, more precious than any sceptre!
Discover the force of the skies O Men: once recognised it can be put to use.
I am a Lutheran astrologer, I throw away the nonsense and keep the hard kernel.
Once miracles are admitted, every scientific explanation is out of the question.
Wherever there are qualities there are likewise quantities, but not always vice versa.
The squares of the periodic times are to each other as the cubes of the mean distances.
I believe only and alone in the service of Jesus Christ. In him is all refuge and solace.
The squares of the periodic times are proportional to the cubes of the mean distances from the sun.
It may be well to wait a century for a reader, as God has waited six thousand years for an observer.
In theology we must consider the predominance of authority; in philosophy the predominance of reason.
God gives every animal the means of saving its life-why object if he gives astrology to the astronomer?
I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.
The Earth is round, and is inhabited on all sides, is insignificantly small, and is borne through the stars.
When ships to sail the void between the stars have been built, there will step forth men to sail these ships.
Astronomy would not provide me with bread if men did not entertain hopes of reading the future in the heavens.
If God himself has waited six thousand years for someone to contemplate his works, my book can wait for a hundred.
I measured the skies, now the shadows I measure, Sky-bound was the mind, earth-bound the body rests. [Kepler's epitaph]
[Quantity is the fundamental feature of things,] the 'primarium accidens substantiae,' ...prior to the other categories.
So long as the mother, Ignorance, lives, it is not safe for Science the offspring, to divulge the hidden causes of things.
I used to measure the Heavens, now I measure the shadows of Earth. The mind belonged to Heaven, the body's shadow lies here.
Geometry existed before the creation. It is co-eternal with the mind of God...Geometry provided God with a model for the Creation.
...for a long time I wanted to become a theologian... now, however, behold how through my efforts God is being debated in astronomy.
The Creator, the fountain of all wisdom, the approver of perpetual order, the eternal and superessential spring of geometry and harmonics.
If the earth should cease to attract its waters to itself all the waters of the sea would be raised and would flow to the body of the moon.
The roads by which men arrive at their insights into celestial matters seem to me almost as worthy of wonder as those matters in themselves.
Now, as God the maker play'd he taught the game to Nature whom he created in his image; taught her the selfsame game which he played to her.
Geometry is one and eternal shining in the mind of God. That share in it accorded to men is one of the reasons that Man is the image of God.
My greatest desire is that I may perceive the God whom I find everywhere in the external world, in like manner also within and inside myself.
wheresoever the earth may be placed, or whithersoever it may be carried by its animal faculty, heavy bodies will always be carried towards it.
Ships and sails proper for the heavenly air should be fashioned. Then there will also be people, who do not shrink from the dreary vastness of space.
Just as the eye was made to see colours, and the ear to hear sounds, so the human mind was made to understand, not whatever you please, but quantity.
I believe the geometric proportion served the creator as an idea when He introduced the continuous generation of similar objects from similar objects.
The sun alone appears, by virtue of his dignity and power, suited for this motive duty (of moving the planets) and worthy to become the home of God himself.
I demonstrate by means of philosophy that the earth is round, and is inhabited on all sides; that it is insignificantly small, and is borne through the stars.
I had the intention of becoming a theologian...but now I see how God is, by my endeavors, also glorified in astronomy, for 'the heavens declare the glory of God.'
I also ask you my friends not to condemn me entirely to the mill of mathematical calculations, and allow me time for philosophical speculations, my only pleasures.