They who depend upon manifest observations will philosophize better than those who persist in opinions repugnant to the senses.
Galileo GalileiThe Milky Way is nothing else but a mass of innumerable stars planted together in clusters.
Galileo GalileiBut of all other stupendous inventions, what sublimity of mind must have been his who conceived how to communicate his most secret thoughts to any other person, though very far distant either in time or place? And with no greater difficulty than the various arrangement of two dozen little signs upon paper? Let this be the seal of all the admirable inventions of man.
Galileo GalileiLong experience has taught me this about the status of mankind with regard to matters requiring thought: the less people know and understand about them, the more positively they attempt to argue concerning them, while on the other hand to know and understand a multitude of things renders men cautious in passing judgment upon anything new.
Galileo Galilei