Happiness must be cultivated. It is like character. It is not a thing to be safely let alone for a moment or it will run to weeds.
But the wicked passions of men's hearts alone seem strong enough to leave...
The advice I've been giving to people all my life - that you may not be interested in the dialectic but the dialectic is interested in you you can't give up politics it won't give you up - was the advice I should have been taking myself.