A Century-Old Concentration Book Teaches Me Focus

A heartfelt thank-you to Theron Q. Dumont


Author: Phoenix Huber

Source : https://medium.com/the-ascent/a-century-old-concentration-book-teaches-me-focus-d54c47a24c1a?source=rss----eb660df75111---4


Date : 2020-09-08T18:31:03.000Z

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