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Where the senses fail us, reason must step in.

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

Discover Help People Teaching
I do not know what to say in a case so surprising, so unlooked for and so novel.
GALILEO GALILEI

Case Heaven Look Surprise
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
I’ve loved the stars too fondly to be fearful of the night.
GALILEO GALILEI

Fear Love Night Stars
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
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
By denying scientific principles, one may maintain any paradox.
GALILEO GALILEI

Deny Maintain Principle Science Truth
We must say that there are as many squares as there are numbers.
GALILEO GALILEI

Mathematics Number Science
Nature does not act by means of many things when it can do so by means of a few.
GALILEO GALILEI

Act Nature
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
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
The laws of nature are written by the hand of God in the language of mathematics.
GALILEO GALILEI

God Language Law Mathematics Nature Writing
The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.
GALILEO GALILEI

Bunch Dependent Grapes Planet Revolve Sun Universe
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

Where the senses fail us, reason must step in.

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Where the senses fail us, reason must step in.

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