Comparisons must do more than just exhibit parallel structure. They must be grammatically similar and logically similar as well.
WRONG: To visualize success is not the same as achieving it.
RIGHT: To visualize success is not the same as to achieve it.
RIGHT: Visualizing success is not the same as achieving it.
WRONG: The rules of chess are more complex than checkers.
RIGHT: The rules of chess are more complex than those of checkers.
RIGHT: Chess is more complex than checkers.
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The words in the dotted blanks must be in the same grammatical form and logically similar or the sentence will not be parallel: neither … nor … either … or … both … and … the better … the better … the more (the less) … the more (the less) … not only … but also … |
** These constructions are only correct when written in these forms.