The basis of tragedy is man's helplessness against disease, war and death; the basis of comedy is man's helplessness against vanity (the vanity of love, greed, lust, power).
Bio: Bre Pettis is an American entrepreneur, video blogger and creative artist. Pettis is best known as the co-founder and former CEO of MakerBot Industries, a 3D printer company now owned by Stratasys.
