Just shutting up is a great idea more often than not. People usually like the sound of their own voice way better than that of yours.
I was made fun of for stating the obvious, too, and it led me to avoid at all costs saying anything I thought could be obvious, which made most conversations incredibly awkward.
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The red lake has been forgotten. A dust devil stuns you long enough to shroud forever those last shards of wisdom. The breeze rocking this forlorn wasteland whispers in your ears, “Não resta mais que uma sombra”.