Lyric discussion by Storm&Stress 

Cover art for What Is the Light? lyrics by Flaming Lips, The

The thing I love about the lips is that (and this is my interpretation and I'm sure to catch some flak for it) these songs are at first listen generally love songs. I think they are also thinly veiled metaphores to hallucinogenic experiences. (and with good reason, this album along with Yoshimi are two of the greatest albums to trip face to) Lord knows that when one is under the influence of truly mind expanding chemicals, one can recognize auras, or shining lights, around people. It may not always be visible, but it sure as hell is apparent. I think this song is one of those examples, this guy sees a true inner beauty in this person that he may not have noticed were it not for the drugs, hence the line "is it chemically derived..."