The operations are necessarily algebraic, because the relative magnitudes of the given quantities and the quantity sought for are unknown; and it is the essential principle of abstract algebra to furnish rules and symbols of operation which are proper for calculating independently of the knowledge of relative magnitudes.

2000, David Greenberg, Avoiding Death by PowerPoint, 45 Proven Strategies to Breathe Life Into Dull Presentations, Goldleaf Publications, →ISBN, illustrated.

Only the supernaturalism , the un[-]understandableness, of the human soul and mind.

[…] but there were many ladies, he remarked, in ample domino costume, whose cloak and short black mask, with its border of crape, could not conceal a stray tress or dimpled chin.