“I suppose a mind of my sort cannot help but tend towards simplification, towards making all life turn upon some one dominant idea, complex perhaps in its reality but reducible at last to one consistent simple statement, a dominant idea which is essential as nothing else is essential, which makes and sustains and justifies. This is perhaps the innate disposition of the human mind, at least of the European mind--for I have some doubts about the Chinese. Theology drives obstinately towards an ultimate unity in God, science towards an ultimate unity in law, towards a fundamental element and a universal material truth from which all material truths evolve, and in matters of conduct there is the same tendency to refer to a universal moral law. Now this may be a simplification due to the need of the human mind to comprehend, and its inability to do so until the load is lightened by neglecting factors. William James has suggested that on account of this, theology may be obstinately working away from the truth, that the truth may be that there are several or many in compatible and incommensurable gods; science, in the same search for unity, may follow divergent methods of inquiry into ultimately uninterchangeable generalizations; and there may be not only not one universal moral law, but no effective reconciliation of the various rights and duties of a single individual. At any rate I find myself doubtful to this day about my own personal systems of right and wrong. I can never get all my life into one focus. It is exactly like examining a rather thick section with a microscope of small penetration; sometimes one level is clear and the rest foggy and monstrous, and sometimes another.