Shin (feat. Her Dark Heaven)

What is the substance The substance of the soul A question for the poets And philosophers of old Can it be measured In inches or in miles In teaspoons or teardrops Blood, bone or bile? What is the substance The substance of the soul Can it be engineered Programmed into code Synthetically created In a new Computer Age A digital canary In an electronic cage What is the substance The substance of the soul Is it written in the language Of starlight and black holes Mathematics of the heavens Predestined from the start Software of the spirit Hardware of the heart What is the substance The substance of the soul If it leaves me when I die Where does it go Flickering in darkness A candle left to burn Will it sputter out forever Or someday return