The Notebooks of Leonardo da Vinci (1883), XV Astronomy
Context: The earth is not in the centre of the Sun's orbit nor at the centre of the universe, but in the centre of its companion elements, and united with them. And any one standing on the moon, when it and the sun are both beneath us, would see this our earth and the element of water upon it just as we see the moon, and the earth would light it as it lights us.
“To a body of infinite size there can be ascribed neither centre nor boundary… Thus the Earth no more than any other world is at the centre.”
On the Infinite Universe and Worlds (1584)
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Giordano Bruno 62
Italian philosopher, mathematician and astronomer 1548–1600Related quotes
Note the assumption that the heavenly sphere is concave with respect to the earth.
Perspectiva communis as quoted in J. D. North, Stars, Mind and Fate: Essays in Ancient and Mediaeval Cosmology (1989) citing D.C. Lindberg, John Pecham and the Science of Optics: Perspectiva communis (1970) p.99
“The world can no more have two summits than a circumference can have two centres.”
Epilogue, In Expectation of the Parousia, p. 154
The Divine Milieu (1960)
p, 125
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)
“Let Rome be glorious on the earth,
The centre of Italian worth.”
Source: Translations, The Aeneid of Virgil (1866), Book XII, p. 472
Valence of Prince Berthold, in Act IV.
Colombe's Birthday (1844)
Context: p>He gathers earth's whole good into his arms;
Standing, as man now, stately, strong and wise,
Marching to fortune, not surprised by her.
One great aim, like a guiding-star, above—
Which tasks strength, wisdom, stateliness, to lift
His manhood to the height that takes the prize;
A prize not near — lest overlooking earth
He rashly spring to seize it — nor remote,
So that he rest upon his path content:
But day by day, while shimmering grows shine,
And the faint circlet prophesies the orb,
He sees so much as, just evolving these,
The stateliness, the wisdom and the strength,
To due completion, will suffice this life,
And lead him at his grandest to the grave.
After this star, out of a night he springs;
A beggar's cradle for the throne of thrones
He quits; so, mounting, feels each step he mounts,
Nor, as from each to each exultingly
He passes, overleaps one grade of joy.
This, for his own good: — with the world, each gift
Of God and man, — reality, tradition,
Fancy and fact — so well environ him,
That as a mystic panoply they serve —
Of force, untenanted, to awe mankind,
And work his purpose out with half the world,
While he, their master, dexterously slipt
From such encumbrance, is meantime employed
With his own prowess on the other half.
Thus shall he prosper, every day's success
Adding, to what is he, a solid strength —
An aery might to what encircles him,
Till at the last, so life's routine lends help,
That as the Emperor only breathes and moves,
His shadow shall be watched, his step or stalk
Become a comfort or a portent, how
He trails his ermine take significance, —
Till even his power shall cease to be most power,
And men shall dread his weakness more, nor dare
Peril their earth its bravest, first and best,
Its typified invincibility.Thus shall he go on, greatening, till he ends—
The man of men, the spirit of all flesh,
The fiery centre of an earthly world!</p
Source: Christianity and the Social Crisis (1907), Ch.2 The Social Aims of Jesus, p. 55
This is how Christians treat the autocrat of the universe.
Letters of Voltaire and Frederick the Great (New York: Brentano's, 1927), trans. Richard Aldington, letter 215 from Frederick to Voltaire (1776-03-19)