I saw him light the fire.

When the heart is on fire, light comes from within.

it only takes sparks to light a fire

The tools of our trade include the time-honored direct application of water on a fire, when the fire is at its initial stage of ignition. An interior pre-connected hose provides the first line of defense in many key applications, such as large storage and commercial buildings and especially where response from a volunteer fire department may be delayed.

He saw the light and he came over. He saw greener pastures.

People thought the storyline and characters for 'X-Files' made it a 'dark' show, but I never saw it that way. I always thought Mulder and Scully were the light in dark places.