This precept in The Way to Happiness come at a perfect time since this past week we've been mentioning Chaos Merchants and other things that make the environment dangerous.
There is a more subtle thing that can take place but the rippling effects are no less damaging. Have you ever got upset about something that happened and found yourself taking it out on someone else? Or had the reverse happen to you for more reason?
This Precept is not call "The Golden Rule" but called Try Not To Do Things To Others That You Would Not Like Them To Do To You. Long title, similar principle. Here is a test you could do. Before committing an act, ask yourself;
" Would I want the same thing to happen to myself, my family or friends?"
In a time where some feel no restraint from doing harmful acts, the survival potential of the individual (and the society) is at a very low ebb.