But sometimes, maybe most times, it isn't that clear. It is...

But sometimes, maybe most times, it isn't that clear. It is dark and you are near the edge of a cliff, but you're moving slowly, not sure which direction you're heading in. Your steps are tentative but they are still blind in the night. You don't realize how close you are to the edge, how the soft earth could give away, how you could just slip a bit and suddenly plunge into the dark.