Suddenly the nickel-clad horse takes the bit in its mouth and goes slanting for the curbstone defying all prayers and all your powers to change its mind - your heart stands still, your breath hangs fire, your legs forget to work.
The good Christian should beware the mathematician and all those who make empty prophecies. The danger already exists that the mathematicians have made a covenant with the devil to darken the spirit and to confine man in the bonds of hell.