Light

Rowe's Rule: the odds are five to six that the light at the end of the tunnel is the headlight of an oncoming train.
Light (4), Tunnels (1), Trains (1), Traffic (1)Paul Dickson (1)

I'm so fast that last night I turned off the light switch in my bedroom and was in bed before the room was dark.
Boxing (3), Sports (12), Light (4)Muhammad Ali (5)

The Devil himself had probably re-designed Hell in the light of information he had gained from observing airport layouts.
Devil (1), Hell (4), Airports (1), Light (4)Anthony Price (1)

Nothing travels faster than the speed of light, with the possible exception of bad news, which obeys its own set of laws.
Light (4), Speed (1), News (3)Douglas Adams (3)