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

Galileo Galilei

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
I give infinite thanks to God, who has been pleased to make me the first observer of marvelous things.
GALILEO GALILEI

God Infinite Marvelous Please Thanful
The earth, in fair and grateful exchange, pays back to the moon an illumination similar to that which it receives from her throughout nearly all the darkest gloom of the night.
GALILEO GALILEI

Darkness Earth exchange Gloom Illuminate Moon Night Receive
Holy Writ was intended to teach men how to go to Heaven not how the heavens go.
GALILEO GALILEI

Heaven Holy Intend Teaching
In the future, there will be opened a gateway and a road to a large and excellent science into which minds more piercing than mine shall penetrate to recesses still deeper.
GALILEO GALILEI

Excellence Future Mind Road Science
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
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.
GALILEO GALILEI

Authority Humble Individual Reason Science Worth
If you could see the earth illuminated when you were in a place as dark as night, it would look to you more splendid than the moon.
GALILEO GALILEI

Darkness Earth Illuminate Moon Night Place
We cannot teach people anything; we can only help them discover it within themselves.
GALILEO GALILEI

Discover Help People Teaching
See now the power of truth.
GALILEO GALILEI

Justice One Liner Power Science Truth
I think that in the discussion of natural problems we ought to begin not with the Scriptures, but with experiments and demonstrations.
GALILEO GALILEI

Demonstrate Discussion Experiment Natural Problem Science Scripture Thinking
I’ve loved the stars too fondly to be fearful of the night.
GALILEO GALILEI

Fear Love Night Stars
There are those who reason well, but they are greatly outnumbered by those who reason badly.
GALILEO GALILEI

Bad Intelligence Reason
I do not know what to say in a case so surprising, so unlooked for and so novel.
GALILEO GALILEI

Case Heaven Look Surprise
In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man.
GALILEO GALILEI

Authority Individual Man Opinion Reason Science Spark Worth
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

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

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

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