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Half a glass of water, illustration of two different mental attitudes, optimism (half full) and pessimism (half empty)
Half a glass of water, illustration of two different mental attitudes, optimism (half full) and pessimism (half empty)
An optimist and a pessimist, Vladimir Makovsky, 1893
An optimist and a pessimist, Vladimir Makovsky, 1893
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An optimist and a pessimist, Vladimir Makovsky, 1893
An optimist and a pessimist, Vladimir Makovsky, 1893