Allnighter - PhD Comics
Jorge Cham is the Scott Adams of the PhD community. If every IT professional can relate to 'every' Dilbert strip, every PhD graduate (or student) can relate to 'every' strip that Jorge pens. W.O.W.(Click to see larger image)
Been there, done that. And yes, the communion with the cosmos and the sense of calm on seeing the sunrise is awesome. (via PhD comics)