"That's been done before."
"It will never work."
"No one else is doing it."
"What will people think?"
"Sounds like a waste of time to me."
"You're doing what?"
"You can't do that!"
"We've tried it before."
"That's too much work."
"You're dreaming."
"That doesn't make sense."
"You've got to be kidding!"
