Abstract
These lines are written as a tribute to Ricardo Sánchez Ortiz de Urbina, with all the affection and with the hope of being welcomed with the benevolence that the essay demands. In any case, I will never cease thanking our teacher for allowing me to emerge smoothly from the confinement to which the epistemological subject, the subject of science, always omnipresent in all research, had led me. Following in the wake of the phenomenological matrix configured by Urbina, I glimpsed at the upper level ―the level of maximum ambiguity―, and through successive transpositions, the human origin of jealousy, which goes beyond simple behavior or mere affection. The jealousy as a background always overflowing in the never-ending process of fixing human identity. A path that Spanish Baroque writers had traveled, with the means available to them, in the context of the Hispanic converts and around Miguel de Cervantes.
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