Galileo Galilei Sayings and Quotes

Below you will find our collection of inspirational, wise, and humorous old Galileo Galilei quotes, Galileo Galilei sayings, and Galileo Galilei proverbs, collected over the years from a variety of sources.


Passion is the genesis of genius.     

Galileo Galilei

Mathematics is the key and door to the sciences.     

Galileo Galilei

I've loved the stars too fondly to be fearful of the night.     

Galileo Galilei

Doubt is the father of invention.     

Galileo Galilei

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

You cannot teach a man anything. You can only help him discover it within himself.     

Galileo Galilei

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

Galileo Galilei

All truths are easy to understand once they are discovered; the point is to discover them.     

Galileo Galilei

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

You cannot teach a man anything, you can only help him find it within himself.     

Galileo Galilei

Measure what can be measured, and make measureable what cannot be measured.     

Galileo Galilei

You cannot teach a man anything; you can only help him find it within himself.     

Galileo Galilei

By denying scientific principles, one may maintain any paradox.     

Galileo Galilei

All truths are easy to understand once they are discovered; the point is to discover them.     

Galileo Galilei

Doubt is the father of invention.     

Galileo Galilei

The Bible shows the way to go to heaven, not the way the heavens go.     

Galileo Galilei