Abstruse

And from the joining of two of these abstruse cracks, a thin spill of sand was running, as if something on the other side was digging itself through with slobbering, agonized intensity.

Abstruse speculations contain vertigo; no, there is nothing to indicate that he risked his mind in apocalypses.

In a thousand ways he smoothed for me the path of knowledge and made the most abstruse inquiries clear and facile to my apprehension.

When I behold this goodly frame, this World Of Heaven and Earth consisting, and compute Their magnitudes; this Earth, a spot, a grain, An atom, with the firmament compared And all her numbered stars, that seem to roll Spaces incomprehensible (for such Their distance argues, and their swift return Diurnal) merely to officiate light Round this opacous Earth, this punctual spot, One day and night, in all their vast survey Useless besides; reasoning I oft admire How Nature, wise and frugal, could commit Such disproportions, with superfluous hand So many nobler bodies to create, Greater so manifold, to this one use, For aught appears, and on their orbs impose Such restless revolution day by day Repeated, while the sedentary Earth, That better might with far less compass move, Served by more noble than herself, attains Her end without least motion, and receives, As tribute, such a sumless journey brought Of incorporeal speed, her warmth and light: Speed, to describe whose swiftness number fails.” So spake our sire, and by his countenance seemed Entering on studious thoughts abstruse; which Eve Perceiving, where she sat retired in sight, With lowliness majestic from her seat, And grace that won who saw to wish her stay, Rose, and went forth among her fruits and flowers, To visit how they prospered, bud and bloom, Her nursery; they at her coming sprung, And, touched by her fair tendance, gladlier grew.

Though the principles of the banking trade may appear somewhat abstruse, the practice is capable of being reduced to strict rules.