Any sentence can be phrased a thousand ways. Any paragraph can be phrased a million; it depends on your intention. Scientists use different rhetoric than politicians. Businessmen write differently to colleagues than to family. A rhetorical flourish might be appropriate on the campaign trail, but probably not at the dinner table.
In the world of ideas, writers and speakers want to be taken seriously. So, they choose their rhetoric accordingly. One popular method is the use of paradox. It’s become quite fashionable. Paradoxes are used to convey intellectual depth and mystery, highlighting the contradictions and murkiness in the world. Indeed, if you want to sound “deep”, contradict yourself as brazenly as possible: