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What greater stupidity can be imagined than that of calling jewels, silver, and gold “precious,” and earth and soil “base”?

Galileo Galilei

The vain presumption of understanding everything can have no other basis than never having understood anything.
GALILEO GALILEI

Science Understand Vain
We must say that there are as many squares as there are numbers.
GALILEO GALILEI

Mathematics Number Science
Measure what can be measured, and make measurable what cannot be measured.
GALILEO GALILEI

Measure Science
Earth, turning upon itself, moves round the Sun.
GALILEO GALILEI

Earth Move Round Science Sun
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
Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.
GALILEO GALILEI

Action Change Hide Indifference Man Nature Reason Understand
I am certainly interested in a tribunal in which, for having used my reason, I was deemed little less than a heretic.
GALILEO GALILEI

Interest Philosophy Reason Science
It is surely harmful to souls to make it a heresy to believe what is proved.
GALILEO GALILEI

Believe Harm Prove Science Soul
Passion is the genesis of genius.
GALILEO GALILEI

Genesis Genius One Liner Passion
Philosophy is written in that great book which ever lies before our eyes. I mean the universe, but we cannot understand it if we do not first learn the language and grasp the symbols, in which it is written.
GALILEO GALILEI

Book Eyes Language Philosophy Understand Universe Writing
You cannot teach a person something he does not already know, you can only bring what he does know to his awareness.
GALILEO GALILEI

Aware Knowledge Teaching
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
Mathematics is the language in which God has written the universe.
GALILEO GALILEI

God Language Mathematics Universe Writing
Names and attributes must be accommodated to the essence of things, and not the essence to the names, since things come first and names afterwards.
GALILEO GALILEI

Accomodation Attribute Essence Name Science
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
I do not know what to say in a case so surprising, so unlooked for and so novel.
GALILEO GALILEI

Case Heaven Look Surprise

What greater stupidity can be imagined than that of calling jewels, silver, and gold “precious,” and earth and soil “base”?

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What greater stupidity can be imagined than that of calling jewels, silver, and gold “precious,” and earth and soil “base”?

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