Contentment – Wikipedia
— Read on en.m.wikipedia.org/wiki/Contentment

The proper use of impressions embodies the mental state or emotional state of mind called contentment.

As does the phrase ‘do no harm ‘.

To be content, is to live a life without acting on every perceived desire.

It helps immensely to recognize one’s desires, and not act on them.

So, limiting one’s desires is the route to contentment.