Just a few quotes.. way too much for me to type.. just google it.
"They told stories about how inattentive and inept the President was.... They said he wouldn't come to work--all he wanted to do was to watch movies and television at the residence."
Jim Cannon (an aide to Howard Baker) reporting what Reagan's underlings told him, Landslide: The Unmaking of the President: 1984-88
"Reagan's only contribution [to the subject of the MX missile] throughout the entire hour and a half was to interrupt somewhere at midpoint to tell us he'd watched a movie the night before, and he gave us the plot from WarGames, the movie. That was his only contribution."
Lee Hamilton (Representative from Indiana) interviewed by Haynes Johnson, Sleepwalking Through History: America in the Reagan Years
"What planet is he living on?"
President Mitterand of France poses this question about Reagan to Canadian Prime Minister Trudeau.
"An amiable dunce."
Clark Clifford (former Defense Secretary)
"Poor dear, there's nothing between his ears."
British Prime Minister Margaret Thatcher
"Like reinventing the wheel."
Larry Speakes (Reagan's former press secretary) describing what it was like preparing the President for a press conference, Speaking Out: The Reagan Presidency from Inside the White House