Every president since Ronald Reagan has left a note for his successor, and President Biden could be the first to write a letter to someone who is both his successor and the predecessor who left a note for him.

Biden conveyed his deep appreciation for first lady Jill Biden, who joined him in the Oval Office. “My deepest appreciation to our amazing first lady with me in the Oval today, for our entire family, you’re the love of my life and the lives of my love,” he said. “My eternal thanks to you, the American people.”

President Biden is set to address the nation Wednesday evening in a farewell speech from the Oval Office with just days left in his first and only term. This will be among Biden’s final speeches as chief executive,