“Be nice... until it's time to not be nice!”
“Be nice, be nice, until it's time to stop being nice, then destroy them.”
“My father had taught me to be nice first, because you can always be mean later, but once you've been mean to someone, they won't believe the nice anymore. So be nice, be nice, until it's time to stop being nice, then destroy them.”
“It's nice to be nice.”
“Well, now, some people learn a little quicker than others. It's nice to learn fast but it's nice to take your time too.”
“It's nice to be important, but it's more important to be nice.”