To indicate the relation of philosophy to the so-called philosophical sciences, and to the other sciences.
6.

To show, finally, that the study of philosophy is of value to us all, and to give some practical admonitions on spirit and method.

Had these admonitions been impressed upon me at a time when I was in especial need of guidance, I feel that they would have spared me no little anxiety and confusion of mind.

For this reason, I recommend them to the attention of the reader.
Such is the scope of my book.

It aims to tell what philosophy is.