The initial conditions of the universe are a profound mystery, and inflation offers a possible explanation for why the universe looks the way it does.
我旅行得越多,就越确信世界充满了奇迹,而人类只是大自然浩瀚中的一粒尘埃。
Success is not the key to happiness. Happiness is the key to success.
Nature doesn’t have waste—everything is food for something else.