Voltaire he said in Candide "tending one’s own garden" is not only a private activity but also productive.
With thanks to Annette for the quote. As she says, and I paraphrase, this may not solve our troubled world however it gives some quiet space to think and reflect.
And the ‘garden’, our life lived is a Bodhsattvas playground. Endless opportunities to stretch out a hand, open one’s mind.