I think the author wants to alert readers: the line should advance to think about the next consequence, do not because of a momentary impulse depriving yourself regret.
I think the author wants to be wary of readers: before you act, you should think about the consequences, and don't regret it because of a momentary impulse.
I think the author wants to be alert to the readers: before you act, you should think about the next consequences. Don't make yourself regret because of the impulse.<br>