Second Thoughts

mentimutation
n. a change of mind

“To change your mind and to follow him who sets you right is to be nonetheless the free agent that you were before.” — Marcus Aurelius

“When the facts change, I change my mind. What do you do, sir?” — John Maynard Keynes

“Why should you mind being wrong if someone can show you that you are?” — A.J. Ayer (attributed)