Time as a River, hath brought down to us what is more light and superficial; while things more solid and substantial have been immersed. - Joseph Glanvill

The Understanding also hath its Idiosyncrasies, as well as other faculties.

We cannot conceive how the Fœtus is form'd in the Womb, nor as much as how a Plant springs from the Earth we tread on; we know not how our Souls move the Body, nor how these distant and extream natures are united: ... And if we are ignorant of the most obvious things about us, and the most considerable within our selves, 'tis then no wonder that we know not the constitution and powers of the Creatures, to whom we are such strangers.

For Mathematical Sciences, he that doubts their certainty, hath need of a dose of Hellebore.