program encouraging young students to do more rigorous original thinking. They call it Lincoln’s Hat.) This practice asks you to embrace this well-validated strategy by making time to write a letter to yourself when faced with demanding or uncertain circumstances. You can follow my lead and keep a special notebook for this purpose, or, like Abraham Lincoln, you can grab a scrap of paper when the need arises. The key is the act of writing itself. This behavior necessarily shifts you into a state of productive solitude—wrenching you away from the appealing digital baubles and addictive content
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