Cease to be ruled by dogmas and authorities; look at the world!
All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is obvious in that no one's brain rejects it; for laymen and people who are utterly illiterate know how to count and reckon.
To ask the proper question is half of knowing.
For the things of this world cannot be made known without a knowledge of mathematics.
... mathematics is absolutely necessary and useful to the other sciences.
It is not necessarily impossible for human beings to fly, but it so happens that God did not give them the knowledge of how to do it. It follows, therefore, that anyone who claims that he can fly must have sought the aid of the devil. To attempt to fly is therefore sinful.