More Truth In Fiction Than In Nonfiction, Truth Stranger Than Fiction

I heard there is more truth in fiction than there is in nonfiction.

How is there more truth in fiction than in nonfiction?

This is due to a difficulty that is found in the nonfiction writer's art.

Let me explain.

There is a poetic truth in fiction that can be found if the writer is good enough at capturing it. The non-fiction writer's job is to capture the details of reality. The poetic truth of reality can be located therein, but poetic truth is often too difficult to capture. The minutiae of reality often escape him they are so subtle. Ideally, the poetic truth of reality would come out only if he succeeded. But oftentimes, we cannot find it. This is due to the outright difficulty of the nonfiction writer's art. 

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I heard that truth is stranger than fiction.

How can that be?

This is due to the built-in limitation behind the fiction writer's art.

Poetic truth is the only truth available because the fiction writer deals only with the imagination, not all of reality. Reality consisting of two sides, the perceiver and the perceived, the fiction writer must necessarily fail to convey its strangeness; because he is working with only the one side, his own perception, he is working with an incomplete palate. The number of details perceived by you or me of reality presents a stranger picture than the fiction writer could ever hope to convey with his depiction of his dream. Therefore, it’s impossible for him to present the truth in any way that doesn’t betray its stranger side.