Writers often give the advice that you should start a piece in the middle or end, and write the beginning last. Knowing the destination informs where the introduction should point, they say. But a blog needs a first post, and I can't write it last.
"and there was light" https://www.sefaria.org/Genesis.1.3 https://www.biblegateway.com/passage/?search=Gen.1.3 https://en.wikipedia.org/wiki/Big_Bang
"take root among the stars" https://godischange.org/the-destiny-of-earthseed/