Sarvadarshanasangraha 10.46

10.46

Nor must it be assumed that the absence of light, being an absence of something endowed with color like the absence of a pot and the like, must be an object of cognition produced by the eye depending on light; for according to the rule that the eye, in grasping the absence of something, depends on whatever it depends upon in grasping that thing, there is no dependence on light in the cognition of light, and therefore there is no dependence on it in the cognition of its absence either.