About Galileo Galilei:
Galileo Galilei was an Italian astronomer, physicist, engineer, philosopher, and mathematician who played a major role in the scientific revolution during the Renaissance. His achievements include improvements to the telescope and consequent astronomical observations and support for heliocentrism. Galileo has been called the "father of modern observational astronomy", the "father of modern physics", and the "father of modern science".
Surely it is a great thing to increase the numerous host of fixed stars previously visible to the unaided vision, adding countless more which have never before been seen, exposing these plainly to the eye in numbers ten times exceeding the old and fa...Galileo Galilei
For in the sciences the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man. Besides, the modern observations deprive all former writers of any authority, since if they had seen what we see, they w...Galileo Galilei
I have been in my bed for five weeks, oppressed with weakness and other infirmities from which my age, seventy four years, permits me not to hope release. Added to this (proh dolor! [O misery!]) the sight of my right eye — that eye whose labors (da...Galileo Galilei
My dear , what would you say of the learned here, who, replete with the pertinacity of the asp, have steadfastly refused to cast a glance through the telescope? What shall we make of this? Shall we laugh, or shall we cry?Galileo Galilei
I esteem myself happy to have as great an ally as in my search for truth. I will read work ... all the more willingly because I have for many years been a partisan of the view because it reveals to me the causes of many natural phenomena that are ent...Galileo Galilei