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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

Facts which at first seem improbable will, even on scant explanation, drop the cloak which has hidden them and stand forth in naked and simple beauty.
GALILEO GALILEI

Explanation Fact Hide Naked Science
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
Earth, turning upon itself, moves round the Sun.
GALILEO GALILEI

Earth Move Round Science Sun
Who would dare assert that we know all there is to be known?
GALILEO GALILEI

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

Experience Mankind Matter Regard Requirement Status Teaching
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
Philosophy itself cannot but benefit from our disputes, for if our conceptions prove true, new achievements will be made; if false, their refutation will further confirm the original doctrines.
GALILEO GALILEI

Achievement Benefit Conception Dispute Philosophy Prove
Science proceeds more by what it has learned to ignore than what it takes into account.
GALILEO GALILEI

Account Ignorance Learning Proceed Science
Holy Scripture could never lie or err…its decrees are of absolute and inviolable truth.
GALILEO GALILEI

Absolute Holy Lie Scripture 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
I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to forego their use.
GALILEO GALILEI

Atheist Believe God Intellectual Obligation Reason Sense
All truths are easy to understand once they are discovered; the point is to discover them.
GALILEO GALILEI

Discover Easy Point Truth Understand
The Divine intellect indeed knows infinitely more propositions.
GALILEO GALILEI

Divine Indeed Infinite Intellectual
We cannot teach people anything; we can only help them discover it within themselves.
GALILEO GALILEI

Discover Help People Teaching
I have never met a man so ignorant that I couldn’t learn something from him.
GALILEO GALILEI

Himself Ignorant Inspirational Learning
Measure what can be measured, and make measurable what cannot be measured.
GALILEO GALILEI

Measure Science
There are those who reason well, but they are greatly outnumbered by those who reason badly.
GALILEO GALILEI

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

Book Gaze Open Philosophy Stand Writing
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
Nothing occurs contrary to nature except the impossible, and that never occurs.
GALILEO GALILEI

Contrary Except Impossible Nature Occur
You cannot teach a man anything, you can only help him find it within himself.
GALILEO GALILEI

Help Himself Man Teaching Wisdom
The vain presumption of understanding everything can have no other basis than never having understood anything.
GALILEO GALILEI

Science Understand Vain

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.

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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.

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