Book excerpt: 'I have relinquished all that ties me to the world, but the one thing that still haunts me is the beauty of the sky' These simple, inspiring writings by three medieval Buddhist monks offer peace and wisdom amid the world's uncertainties, and are an invitation to relinquish earthly desires and instead taste life in the moment. One of twenty new books in the bestselling Penguin Great Ideas series. This new selection showcases a diverse list of thinkers who have helped shape our world today, from anarchists to stoics, feminists to prophets, satirists to Zen Buddhists.