The aim is to stop cyber-bullying and create a more positive atmosphere on the Internet.

VOA: standard.2010.03.30

If we think that our knowledge is positive, we say "red" in a red light means stop.

如果我们主动认知，红灯的意思是停。

耶鲁公开课 - 文学理论导论课程节选

All right, but still it's a red light, right, and our hypothesis is that the red light has positive value in the sense that it means a certain thing. It means, we say, "stop."

它是一个红灯，我们假设红灯主动自带含义,它代表着，停“

耶鲁公开课 - 文学理论导论课程节选

And also she sees people making bad comments about celebrities, she leaves nice messages, because when people see positive comments they are more likely to stop saying bad things and change their attitude.

VOA: standard.2010.03.30