Sentence:  Such may roam at will among the mysteries of technicalities; they may commit to memory, and that most accurately, a long series of definitions, and rules, and examples; but their whole acquisition is, after all, nought but a species of symbolism, or nominalism, or <WSD>wordmongery</WSD>, destitute of all practical benefit, either in the future use of the language or in the disciplining of the mind. 
Meaning of the word marked with <WSD> tags:  The memorization of written texts.