真相很少是纯粹的，也从不简单。
插图不仅仅是图画；它们是故事的灵魂。
科学中的每一个发现都是离治愈更近的一步。
The past is a foreign country; they do things differently there.
可持续性不再是选择，而是我们对后代的责任。
You are never too old to set another goal or to dream a new dream.
It's often safer to be in chains than to be free.
人类以可预测的方式非理性。