You want it to be one way. But it's the other way. – Marlo Stanfield in The Wire - Oliver Burkeman

[Life] is a dance, and when you are dancing, you are not intent on getting somewhere. The meaning and purpose of dancing is the dance.

The argument goes as follows: that no matter where you draw the boundary – even if we could agree on a place at which to draw it – you would not really be drawing a boundary in the conventional sense at all. Because (here it comes) the very notion of a boundary line depends on it having two sides.

Healthy and happy people, research suggests, generally have a less accurate, overly optimistic grasp of their true ability to influence events than do those who are suffering from depression.