The number of the fixed stars which observers have been able to see without artificial powers of sight up to this day can be counted. It is therefore decidedly a great feat to add to their number, and to set distinctly before the eyes other stars in myriads, which have never been seen before, and which surpass the old, previously known stars in number more than ten times.
Galileo GalileiTo be humane, we must ever be ready to pronounce that wise, ingenious and modest statement 'I do not know'.
Galileo GalileiAll truths are easy to understand once they are discovered; the point is to discover them.
Galileo GalileiSee now the power of truth; the same experiment which at first glance seemed to show one thing, when more carefully examined, assures us of the contrary.
Galileo Galilei