Bad or Good We live in a world in which our primary food is the information. We perceive the outside world through images, and each image has an echo in our brain, generating feelings, attitudes and sometimes questions. Although we belong to the same specie, thousands of differences or similarities divide and classify us. Each of us perceives in his own way the information he receives. For some of us, something could be beautiful, for others the same thing could be ugly. Behind these two words, beautiful and ugly, we can see another words or, better said, concepts: good and bad. But what do good and bad mean? Do they really exist? On one hand, good and bad are two w