Biden didn't say "end of quote" by accident. He read a quote by former President Dwight D. Eisenhower before switching back to his own words.

With only days left in the White House, President Joe Biden was saving a few surprises for his farewell address Wednesday evening. Instead of simply summing up his term in office, he used the opportunity to issue dire warnings about the future and call for deep changes to the country’s foundational document.

U.S. President Joe Biden made his farewell address from the Oval Office in the White House, touting his accomplishmen