John D. Dingell in 2014. (Jeff Kowalsky/EPA-EFE/Shutterstock)

John D. Dingell, a Michigan Democrat who served in the U.S. House from 1955 to 2015, was the longest-serving member of Congress in American history. He dictated these reflections to his wife, Rep. Debbie Dingell (D-Mich.), at their home in Dearborn, on Feb. 7, the day he died.

One of the advantages to knowing that your demise is imminent, and that reports of it will not be greatly exaggerated, is that you have a few moments to compose some parting thoughts.