It behooves those who seek truth to study the abstract features of the truths of as many disciplines as possible, in order to determine which of the ideas of each of them correspond and which do not, with the notion that those ideas that do recur in a varied range of domains of knowledge are more likely to be true than those that don’t. Thus the seemingly invariant truths are the ones that should be pursued further, as significant investigations toward our future understanding of the real world.