The lamp burns bright when wick and oil are clean.

Fire is bright and fire is clean.

When I look into the future, it's so bright it burns my eyes.

To keep a lamp burning we have to keep putting oil in it.

If Confucius wasn't born, the long night would have no bright lamp.

Love cannot endure indifference. It needs to be wanted. Like a lamp, it needs to be fed out of the oil of another's heart, or its flame burns low.