“You have now officially crossed the line.”

“there is a fine line between sarcasm and hostility, you seemed to have crossed it. What's up?”

“Even in war there should be lines you didn't cross.”

“Comedy is filled with surprise, so when I cross a line… I like to find out where the line might be and then cross it deliberately, and then make the audience happy about crossing the line with me.”

“They were still all beautiful and there was still enchantment and wonder, but she had crossed a line and now the fairy tale was green with corruption and evil.”

“I don't care what the rivalry is, what the circumstance is, what the standings are, you are not allowed to cross the line in this game and their pitcher crossed it twice. It was pretty clear.”

“There is a fine line in the Third World between half a dozen customs officials waiting for you to offer them a bribe and half a dozen customs officials waiting for you to offer them a bribe so they can throw you in jail.”

“You can do something that walks a line, and invariably, whatever that line is, it will be crossed by people who don't know any better and want to ape the success.”

“You won't even know you've crossed the line until it's way back in your rearview mirror.”

“You must, therefore, know your limits of self-defence; so as not to cross the line of mercy and forgiveness.”