Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems (International Series of Monographs on Physics)

Be in nature. Being outdoors and in nature is one of the best ways to help you see the bigger picture. If you take time to stare at the vastness of the ocean or up at the sky, it’ll take you out of that small mindset and away from the shit that’s irrelevant.