11. Because we perceive not intermediate ideas to show conclusions.
III. Our reason is often at a stand because it
perceives not those ideas, which could serve to show the certain or probable agreement or disagreement of any
other two ideas: and in this some men's faculties far outgo others. Till algebra, that great instrument and instance
of human sagacity, was discovered, men with amazement looked on several of the demonstrations of ancient
mathematicians, and could scarce forbear to think the finding several of those proofs to be something more than
human.