page 106in no way susceptible of proof, such study consisting in going deep into statements and concepts which careful examination would establish as not even unlikely, but rather as unalloyed superstition, and representing the investigation of useless conceits and the chasing of absurdities. There can be no doubt that to concern oneself with such illusions, to examine into and lengthily debate such idle propositions, is nothing but a waste of time and a marring of the days of one's life. Not only this, but it also prevents the individual from undertaking the study of those arts and sciences of which society stands in dire need. The individual should, prior to engaging in the study of any subject, ask himself what its uses are and what fruit and result will derive from it. If it is a useful branch of knowledge, that is, if society will gain important benefits from it, then he should certainly pursue it with all his heart. If not, if it consists in empty, profitless debates and in a vain concatenation of imaginings that lead to no result except acrimony, why devote one's life to such useless hairsplittings and disputes.
Because this matter requires further elucidation and a thorough hearing, so that it can be fully established that some of the subjects which today are neglected are extremely valuable, while the nation has no need whatever of various other, superfluous studies, the point will, God willing, be developed in a second volume. Our hope is that a reading of this first volume will produce fundamental changes in the thinking and the behavior