食物的真正成本不仅是你商店里支付的,更是地球长期付出的代价。
儿童对活动的需要几乎比食物的需要更为强烈。
Always listen to your gut. It knows what your head hasn’t figured out yet.
道家的自然观不仅是一个物理概念,更是一个形而上的概念。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.