and its beginning and ending apply to most social issues.
That is, we should look for a middle way between giving our whole lives to the cause (whatever it may be) and ignoring the cause completely to focus on dhamma practice.
In fact, we do
do exactly that already.
Look at your life.
Now, how much of your time last week did you spend on ...
Looking after neighbours?
Revegetating degraded riverbanks?
Helping immigrants integrate into your community?
Caring for injured wildlife?
Advocating on behalf of disadvantaged youth?
Fundraising for Greenpeace?
There's your measure of involvement. And they are all worthwhile causes.