Fate lies within the light cone. - Liu Cixin

In the eternal night of the Orion Arm of the Milky Way Galaxy, two civilization had swept through like two shooting stars, and the universe had remembered their light.

From the depths of his memory arose a tingling sadness, fragile and pure like morning dew, tinged with a rosy hue.

Inside the grand tomb under the surface of Pluto, lit by the dim lamps that could shine for a hundred thousand years, Mona Lisa’s smile seemed to appear and disappear. The smile had puzzled humankind for nearly nine centuries, and it looked even more mysterious and eerie now, as though it meant everything and nothing, like the approaching Death.