Rosencrantz: what time is it?
Guildenstern, looking at his watch: t
Rosencrantz, later: now what time is it
Guildenstern, frowning: now it’s t again. Or t still?
Rosencrantz: that can’t be right. It’s got to be t+1 or something eventually
Guildenstern: the watch hand just keeps clicking back…