Sustainability isn't just about planting trees; it's about planting the right trees in the right places for the right reasons.

The first fruit of this imagination—and the first lesson of the social science that embodies it—is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

旅程本身就是一个人；没有两个是相同的。所有的计划、保障、监管和强制都是徒劳的。经过多年的挣扎，我们发现我们并没有去旅行；而是旅行带走了我们。

人的手十分精细和复杂，它不仅使心灵得以展现，还能使人跟整个环境建立一段特殊的关系。