“This and That” is an occasional series of paired observations. -Ed.
Today: Prescience
As seen in the exhibition Josef Albers in Mexico, on view at the Guggenheim Museum through February 18, 2018:

Josef Albers, Study for Sanctuary, 1941–42. © 2017 The Josef and Anni Albers Foundation/Artists Rights Society (ARS), New York
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No matter how original, innovative or crazy your idea, someone else is also working on that idea. Furthermore, they are using notation very similar to yours. – Bruce J. MacLennan