道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。
The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity.
能源的未来不是要在化石燃料和可再生能源之间做出选择，而是要在确保可靠性、可负担性和可持续性之间找到正确的平衡。
写作是一种超越生活的生活方式。
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.