psychology (perhaps the most important) would be settled by an application of such characterology, as that would explain why so many different views have been held on the same subject. The same psychical process appears from time to time in different aspects, merely because it takes tone and colouring from the individual character. And so it well may be that the doctrine of differential psychology may receive its completion in the domain of general psychology.
The confusion of characterology with the doctrine of the soul has been a great misfortune, but because this has occurred in actual history, is no reason why it should continue. The absolute sceptic differs only in a word from the absolute dogmatist. The man who dogmatically accepts the position of absolute phenomenalism, believing it to relieve him of all the burden of proof that the mere entering on another standpoint would itself entail, will be ready to dismiss without proof the existence which characterology posits, and which has nothing to do with a metaphysical "essence."
Characterology has to defend itself against two great enemies. The one assumes that character is something ultimate, and as little the subject-matter of science as is the art of a painter. The other looks on the sensations as the only realities, on sensation as the ground-work of the world of the Ego, and denies the existence of character. What is left for characterology, the science of character? On the one hand, there are those who cry, "De individuo nulla scientia," and "Individuum est ineffabile"; on the other hand, there are those sworn to science, who maintain that science has nothing to do with character.
In such a cross-fire, characterology has to take its place, and it may well be feared that it may share the fate of its sisters and remain a trivial subject like physiognomy or a diviner's art like graphology.
