In all fiction, when a man is faced with alternatives he chooses
	one at the expense of the others.  In the almost unfathomable
	Ts'ui Pen, he chooses - simultaneously - all of them.  He thus
	creates various futures, various times which start others that
	will in turn branch out and bifurcate in other times...
		- Jorge Luis Borges, The Garden of Forking Paths