The power of abstraction allows us to see the common threads that run through seemingly disparate problems.

重要的东西用眼睛是看不到的……就好比花一样。假如你喜欢某个行星上的一朵花，在夜晚仰望星空的时候心情就会很愉快，感觉所有的行星都开满了花。

Sustainability isn't an option; it's a responsibility we owe to the next generation.

人们放弃权力的最常见方式是认为他们没有权力。

The key to understanding life is to understand the interactions between its components.

Our capacity to draw happiness from aesthetic objects or material goods in fact seems critically dependent on our first satisfying a more important range of emotional or psychological needs, among them the need for understanding, for love, expression and respect.