of men, that sounder ideas depend upon the comprehension of complex and abstruse points, correct judgment in intricate matters of finance or economics. Things which seem in one stage of thought obscure and difficult are cleared up merely by setting one or two crooked facts straight. The rationalists, who a generation or two ago struggled with such things as the prevalent belief in witchcraft, may have deemed that the abolition of superstitions of this kind would take "thousands of years."
Lecky has pointed out that during the eighteenth century many judges in Europe—not ignorant men, but, on the contrary, exceedingly well-educated men, trained to sift evidence—were condemning people to death by hundreds for witchcraft. Acute and educated men still believed in it; its disproof demanded a large acquaintance with the forces and processes of physical nature, and it was generally thought that, while a few exceptional intelligences here and there would shake off these beliefs, they would remain indefinitely the possessions of the great mass of mankind.