The Invention of Printing Threatens the Church

This new invention of printing has produced various effects of which Your Holiness caimot be ignorant. If it has restored books and learning, it has also been the occasion of those sects and schisms which daily appear. Men begin to call in question the present faith and tenets of the Church; the laity read the scriptures and pray in their vulgar tongue. Were this suffered the common people might come to believe that there was not so much use of the clergy. If men were persuaded that they coul...

 Science Manipulates Language to Make it More Precise

Let us consider two spheres moving in different di- rections on a smooth table. So as to have a definite picture, we may assume the two directions perpendicu- lar to each other. Since there are no external forces acting, the motions are perfectly uniform. Suppose, further, that the speeds are equal, that is, both cover the same distance in the same interval of time. But is it correct to say that the two spheres have the same velocity? The answer can be yes or no ! If the speedo- mete...