ལང་ཚོའི་མིག་ཆུ། _ ཀྲུང་གོ་བོད་ཀྱི་དྲ་བ།
Indeed, the cones in our eyes have none at all dedicated to the red wavelengths of light.
Light, Action, Illumination: These three words can be used to describe the general topics in the given texts