What do you see?

In black you can read the word GOOD, in white the word EVIL (inside each black letter is a white letter). It's all very physiological too, because it visualizes the concept that good can't exist without evil (or the absence of good is evil).

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Now, what do you see?

You may not see it at first, but the white spaces read the word optical, the blue landscape reads the word illusion. Look again! Can you see why this painting is called an optical illusion?.

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What do you see here?

This one is quite tricky! The word TEACH reflects as LEARN.

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Last one. What do you see?

You probably read the word ME in brown, but....... when you look through ME you will see YOU!