Quote by Galileo (1564-1642)

• Philosophy is written in this grand book - I mean the Universe - which stands continually open to our gaze, but it cannot be understood unless one first learns to comprehend the language and interpret the characters in which it is written. It is written in the language of mathematics, and its characters are triangles, circles and other geometrical figures, without which it is humanly impossible to understand a single word of it.

• I have never met a man so ignorant that I couldn't learn something from him.

• Mathematics is the language with which God has written the universe.

• All truths are easy to understand once they are discovered; the point is to discover them.

• Long experience has taught me this about the status of mankind with regard to matters requiring thought: the less people know and understand about them, the more positively they attempt to argue concerning them, while on the other hand to know and understand a multitude of things renders men cautious in passing judgement upon anything new.

• You cannot teach a man anything; you can only help him find it within himself.