What Hume called repeated sequence Pearson calls " routine " of perceptions, and, like his master, holds that cause is an antecedent stage in a routine of perceptions; while he also acknowledges that his account of matter leads him very near to John Stuart Mill's definition of matter as " a permanent possibility of sensations."
He had already demonstrated in his prefaces the possibility of a psychology apart from physiology, of the science of the phenomena of consciousness distinct from the perceptions of sense.
The effect of this point of view in regard to moral perceptions is that they represent an important relative truth, but that philosophy " passes " beyond them " into a higher region, where imputation of guilt is " absolutely " meaningless " 2 - enseits des Guten and Bosen.
Our direct knowledge of matter can, however, never be more than a rough knowledge of the general average behaviour of its molecules; for the smallest material speck that is sensible to our coarse perceptions contains myriads of atoms. The properties of the most minute portion of matter which we can examine are thus of the nature of averages.
Even rarer than these rare perceptions of the evidence of the quasi-historical books to their origin are such half-perceptions of the literary origin of the prophetical books as is betrayed by Ibn Ezra, who appears to question the Isaianic authorship of Is.