Italian "physicist, astronomer".
"He developed the scientific method and established mechanics as a science; invented the astronomical telescope, 1609; discovered 4 of Jupiter's moons."
I have never met a man so ignorant that I couldn't learn something from him.
You cannot teach a man anything; you can only help him find it within himself.
Doubt is the father of invention.
"Facts which at first seem improbable will, even on scant explanation, drop the cloak which has hidden them and stand forth in naked and simple beauty."
It is surely harmful to souls to make it a heresy to believe what is proved.