Perhaps Kafka laughed when he told stories [. . . ] because one isn't always equal to oneself.
Primo LeviSooner or later in life everyone discovers that perfect happiness is unrealizable, but there are few who pause to consider the antithesis: that perfect unhappiness is equally unattainable. The obstacles preventing the realization of both these extreme states are of the same nature: they derive from our human condition which is opposed to everything infinite.
Primo Levi