States of expression are selectable features of utterances that bear on rhetorical effect. They include mentioning or omitting material, advancing or delaying a constituent, and adding or withholding emphasis.
ChoiceRhetorical question
Mention / omitMust it be said, or does context supply it?
Front / delayWhich part receives prominence?
Emphasize / notWhat does the audience's attitude require?
The right choice depends upon the communicative setting, not on a single mechanically preferred form.