Einstein(1954, p.271). "Propositions arrived at by purely logical means are completely empty as regards reality. Because Galileo realised this, and particularly because he drummed it into the scientific world, he is the father of modern physics—indeed, of modern science altogether." Einstein, Albert. Ideas and Opinions. translated by Sonja Bargmann. London: Crown Publishers. 1954. ISBN 0-285-64724-5.
O'Connor, J. J.; Robertson, E. F. Galileo Galilei. The MacTutor History of Mathematics archive. 蘇格蘭聖安德魯大學. [2007-07-24]. (原始内容存档于2009-10-06).引文使用过时参数coauthors (帮助)
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O'Connor, J. J.; Robertson, E. F. Galileo Galilei. The MacTutor History of Mathematics archive. 蘇格蘭聖安德魯大學. [2007-07-24]. (原始内容存档于2009-10-06).引文使用过时参数coauthors (帮助)