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Long experience has taught me this about the status of mankind with regard to matters requiring thought.

Galileo Galilei

Philosophy is written in this grand book, the universe, which stands continually open to our gaze.
GALILEO GALILEI

Book Gaze Open Philosophy Stand Writing
In my studies of astronomy and philosophy I hold this opinion about the universe, that the Sun remains fixed in the centre of the circle of heavenly bodies, without changing its place; and the Earth, turning upon itself, moves round the Sun.
GALILEO GALILEI

Astronomy Earth Opinion Philosophy Round Science Study Sun Universe
Science proceeds more by what it has learned to ignore than what it takes into account.
GALILEO GALILEI

Account Ignorance Learning Proceed Science
The nature of the human mind is such that unless it is stimulated by images of things acting upon it from without, all remembrance of them passes easily away.
GALILEO GALILEI

Acting Human Mind Nature Remember
The Milky Way is nothing else but a mass of innumerable stars planted together in clusters.
GALILEO GALILEI

Science Stars Togetherness Universe
In time you may discover everything that can be discovered, and still your progress will only be progress away from humanity.
GALILEO GALILEI

Discover Humanity Progress Science
Mathematics is the language in which God has written the universe.
GALILEO GALILEI

God Language Mathematics Universe Writing
Measure what can be measured, and make measurable what cannot be measured.
GALILEO GALILEI

Measure Science
I believe that the intention of Holy Writ was to persuade men of the truths necessary to salvation; such as neither science nor other means could render credible, but only the voice of the Holy Spirit.
GALILEO GALILEI

Believe Holy Intention Men Necessary Salve Science Spirit Truth
The deeper I go in considering the vanities of popular reasoning, the lighter and more foolish I find them.
GALILEO GALILEI

Consideration Fools Reason Vanity
Nature does not act by means of many things when it can do so by means of a few.
GALILEO GALILEI

Act Nature
We see only the simple motion of descent, since that other circular one common to the Earth, the tower, and ourselves remains imperceptible.
GALILEO GALILEI

Descent Earth Motion Science
What greater stupidity can be imagined than that of calling jewels, silver, and gold “precious,” and earth and soil “base”?
GALILEO GALILEI

Earth Imagination Science Stupidity
Wine is sunlight, held together by water.
GALILEO GALILEI

Alcohol Sunlight Togetherness Water Wine
Nothing occurs contrary to nature except the impossible, and that never occurs.
GALILEO GALILEI

Contrary Except Impossible Nature Occur
To be humane, we must ever be ready to pronounce that wise, ingenious and modest statement ‘I do not know’.
GALILEO GALILEI

Modest Statement Wise

Long experience has taught me this about the status of mankind with regard to matters requiring thought.

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Long experience has taught me this about the status of mankind with regard to matters requiring thought.

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