#14: Harry S. Truman Carried a Card Acknowledging He Authorized the Atomic Bomb
Harry S. Truman kept a small card in his wallet stating that he, personally, authorized the use of atomic bombs on Japan. It wasn’t for show — it was a private acknowledgment of the weight he carried. No speeches, no bragging, just a quiet reminder of the responsibility he bore.

Imagine walking around every day with a note reminding you of one of the most consequential decisions in human history. Truman clearly felt the enormity of it, choosing to keep that memory literally close to his chest for the rest of his life.
