Quotation.Cloud - A repository of notable quotations from across time and space

   

Authors by Last Name


Authors by First Name



Quotations by Galileo Galilei
The universe is a great book written in math - Philosophy is written in this grand book -- I mean the universe -- which stands continually open to our gaze, but it cannot be understood unless one first learns to comprehend the language and interpret the characters in which it is written. It is written in the language of mathematics, and its characters are triangles, circles, and other geometrical figures, without which it is humanly impossible to understand a single word of it; without these, one is wandering about in a dark labyrinth.

I discovered astronomical facts till then unknown - Some years ago I discovered many astronomical facts till then unknown. Their novelty and their antagonism to some physical propositions commonly received by the schools did stir up against me many who professed the vulgar philosophy, as if, forsooth, I had with my own hand placed these things in the heavens to obscure and disturb nature and science.