Of God and His Creatures

It cannot be false, in so far as the principles are correct, the sequence rigorous, and all facts relevant to the question are adequately gauged and put into the reckoning. A very difficult thing to do in the concrete sciences: not so difficult in arithmetic, geometry, and formal logic, upon which abstract sciences the demonstratio of the schoolmen, the Aristotelian apodeixis, is modelled.

Of God and His Creatures: 4.92