This verse points out the two classes for which the book will be useful:

1. the “simple,” literally the “open,” the open-hearted, the min…

Subtilty (Ormah). —Used in a bad sense (Exodus 21:14) for “guile.” For the meaning here, compare to …

To give subtlety to the simple
Men of mean abilities, weak capacities, shallow understandings, incautious, credulous, and …

The lessons given here are plain, and likely to benefit those who feel their own ignorance and their need to be taught. If young people pay attenti…