People shouldn't stare at foreigners. ✬

Don't stare at people. ✬

It isn't polite to stare at people. ✬

It's impolite to stare at people. ✬

They couldn't do anything but stand there and stare. ✬

Whenever the school bell rang, Ivan would stare into space and drool. Several failed exorcisms later, his parents realized that he was the reincarnation of one of Pavlov's dogs. ✬

Don't stare at others. ✬

Tom continued to stare out the window. ✬

Don't stare at me like that. ✬

It's not polite to stare at others. ✬