Clinton had just defeated Bush in his 1992 re-election bid, yet Bush expressed his wish for the next president to succeed, and offered him advice about dealing with critics.

The Inauguration Day letter is from Bush’s presidential library and is mentioned in both presidents' autobiographies, but has gone viral once again when a Twitter user posted it with a wistful message: "A long, long time ago, in a land far far away, politics had grace. George H.W. Bush's letter to Bill Clinton on leaving office."

H/T 22words | @sabagl