Note: Galileo's 'intimate friend and disciple, the well known Father Renieri' was chair of the mathematics department at the University of Pisa from 1640 to 1647.see para. 4.

I was obliged to retract, like a good Catholic, this opinion of mine; and as a punishment my dialogue was prohibited; and after five months being dismissed fro…

A Selection from Italian Prose Writers: with a double translation: for the use of students of the Italian language on the Hamiltonian system. London, Hunt and …

I am certainly interested in a tribunal in which, for having used my reason, I was deemed little less than a heretic. Who knows but men will reduce me from the…

Because we are denied knowledge of our history, we are deprived of standing upon each other's shoulders and building upon each other's hard earned accomplishme…

Men of science in former ages worked in secret, and instead of publishing their discoveries, taught them in secret to carefully selected pupils.

School is out (1876).