Other Galileo Galilei quotes:
The greatest wisdom is to get to know oneself.
Passion is the genesis of genius.
You cannot teach a man anything; you can only help him to find it within himself.
Nothing can be taught to a man, only it's possibly to help him to discover it inside.
Where the senses fail us, reason must step in.
I have never met a man so ignorant that I couldn't learn something from him.
All truths are easy to understand once they are discovered; the point is to discover them.
Measure what can be measured, and make measurable what cannot be measured.
Measure what is measurable, and make measurable what is not so.