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There are those who reason well, but they are greatly outnumbered by those who reason badly.

Galileo Galilei

That sculpture is more admirable than painting for the reason that it contains relief and painting does not is completely false.
GALILEO GALILEI

Admire Painting Reason relief Sculpture
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
It is surely harmful to souls to make it a heresy to believe what is proved.
GALILEO GALILEI

Believe Harm Prove Science Soul
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
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
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 must say that there are as many squares as there are numbers.
GALILEO GALILEI

Mathematics Number Science
You may force me to say what you wish; you may revile me for saying what I do. But it moves.
GALILEO GALILEI

Force Move 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
I entertain no doubts as to the truth of the transfinites, which I have recognized with God’s help.
GALILEO GALILEI

Doubt Entertainment God Help Recognize Truth
The vain presumption of understanding everything can have no other basis than never having understood anything.
GALILEO GALILEI

Science Understand Vain
See now the power of truth; the same experiment which at first glance seemed to show one thing, when more carefully examined, assures us of the contrary.
GALILEO GALILEI

Assure Care Contrary Experiement Glance Power Show Truth
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
By denying scientific principles, one may maintain any paradox.
GALILEO GALILEI

Deny Maintain Principle Science Truth
You cannot teach a man anything, you can only help him find it within himself.
GALILEO GALILEI

Help Himself Man Teaching Wisdom
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

There are those who reason well, but they are greatly outnumbered by those who reason badly.

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There are those who reason well, but they are greatly outnumbered by those who reason badly.

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