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

Galileo Galilei

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

Believe Harm Prove Science Soul
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
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
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
Who would dare assert that we know all there is to be known?
GALILEO GALILEI

Dare Science
The increase of known truths stimulates the investigation, establishment, and growth of the arts.
GALILEO GALILEI

Art Establishment Growth Increase Investigation Truth
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
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
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
We cannot teach people anything; we can only help them discover it within themselves.
GALILEO GALILEI

Discover Help People Teaching
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
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 is written in this grand book, the universe, which stands continually open to our gaze.
GALILEO GALILEI

Book Gaze Open Philosophy Stand Writing
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
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
The greatest wisdom is to get to know oneself.
GALILEO GALILEI

Greatness One Liner Self Love Wisdom

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

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

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