Galileo Galilei Quotes

Galileo Galilei's collection of the most iconic quotations and thoughts.


I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.


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


Measure what is measurable, and make measurable what is not so.


I have never met a man so ignorant that I couldn't learn something from him.


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.


If I were again beginning my studies, I would follow the advice of Plato and start with mathematics.


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


In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.


And yet it moves.


Where the senses fail us, reason must step in.


About Galileo Galilei:
was an Italian astronomer, physicist, engineer, philosopher, and mathematician who played a major role in the scientific revolution during the Renaissance. He is widely regarded as one of the greatest scientists of all time. His achievements include improvements to the telescope and consequent astronomical observations and support for Copernicanism. Galileo has been called the "father of modern observational astronomy", and the "father of modern physics", and "the father of modern science".