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Your search for Who said There are dark shadows on the earth, but its lights are stronger in the contrast returned the following results:

Charles Dickens

Charles Dickens once said, “There are dark shadows on the earth, but the earth's lights are stronger in the contrast.”

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the diffused flash

In contrast, the diffused flash had more defined shadows.

Professor Achille Fune's use of colour

Professor Achille Fune's use of colour was often rich and arresting and Professor Achille Fune contrasted dark shadows with brilliance of light .

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7、There

7、There are dark shadows on the earth, but a thing's lights are stronger in the contrast.

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to have some touches of black, which enhances the contrast of the picture

Even though I like to make the dark areas lighter with the shadows slider, the shadows is still nice to have some touches of black, which enhances the contrast of the picture.

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