“If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.”— Jeff Bezos
“The only people who do not change their minds are idiots, inmates of asylums, and the dead.”— Everett Dirksen
“You must understand that there is more than one path to the top of the mountain.”— Miyamoto Musashi
“The circumstances of the world are so variable that an irrevocable purpose or opinion is almost synonymous with a foolish one.”— William H. Seward
“Life is not a static thing. The only people who do not change their minds are idiots in asylums, who can't, and idiots in the cemetery, who are dead.”— Finley Peter Dunne
“You should have a feeling for where you want to go. But you shouldn't have a rigid plan.”— Trent Lott
“Flexibility and adaptability are the hallmarks of a well-educated mind.”— Millicent Carey McIntosh