Sentence:  Such a man does not understand the simplest rudiments of those principles which are the basis of true prosperity, and is not only totally unfitted to rise out of his wretchedness, but is actually attracting to himself a still deeper wretchedness by dwelling in, and acting out, indolent, deceptive, and <WSD>unmanly</WSD> thoughts. 
Meaning of the word marked with <WSD> tags:  Cowardly, base.