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 visualize the concept that good can't exist without evil (or the absence of good is evil ).


You may not see it at first, but the white spaces read the word optical, the blue landscape reads the word illusion. Look again!


The word TEACH reflects as LEARN..


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More than likely you said, "A bird in the bush," and........
if this IS what YOU said, then you failed to see that the word THE is repeated twice! Sorry, look again .