[171] on which account Moses prays that he may have God himself as his guide to the road which leads to him. For he says, "If thou wilt not thyself go with me, then do not thou lead me hence." [173] Because every motion which is without the divine approbation is mischievous, and it is better for men to remain here wandering about in this mortal life, as the greater portion of the human race does, than raising themselves up to heaven in pride and arrogance, to encounter an overthrow, as has happened to countless numbers of sophists, who have looked upon wisdom as only a discovery of plausible arguments, and not, as it is, a certain belief in and well-assured knowledge of facts.