The Unbearable Lightness of Being
Lightness and Weight, Eternal Return
Symbolism, Imagery, Allegory
See "What's Up with the Title?" for a full discussion of weight, unbearable lightness, Nietzsche, eternal return, Parmenides, "Einmal ist keinmal." You can also check out "Characters" for details on how these concepts relate to Tomas, Tereza, Sabina, and Franz.