解释：对别人的灾祸而幸灾乐祸是不仁义的，乘别人的危难去攻击不符合武德。

Fools are the ones who cannot change their minds.

To signal an emergency， use the rule of three； 3 shouts， 3 horn blasts， or 3 whistles.

And we also suck in messages from everything from the television, to advertising, to marketing, etc. These are hugely powerful forces that define what we want and how we view ourselves. When we're told that banking is a very respectable profession, a lot of us want to go into banking. When banking is no longer so respectable, we lose interest in banking. We are highly open to suggestion.

Safety must remain our top priority in everything we do.