We can be blind to the obvious, and we are also blind to our blindness.
我们对显而易见的事物视而不见，而且对自己的盲目也视而不见。
"I wonder how many people I've looked at all my life and never seen."
Overfishing is a problem we can solve—if we act now.
爱斯基摩人有52个名字来称呼雪，因为雪对他们很重要：爱也应该有同样多的名字。
开放的社会、对知识的无限制获取、人们为促进知识而进行的无计划和不受抑制的联合——这些可能使一个庞大、复杂、不断增长、不断变化、日益专业化和技术化的世界仍然成为一个人类社区的世界。