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True sustainability is about harmony with nature.
War is an ugly thing, but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war, is much worse.
We can talk about a happening in three main ways: by describing it, by recounting its history, by telling a story about it.
抽象的目的不是含糊不清,而是创建一个新的语义层次,在这个层次上可以绝对精确。
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。
最好的学习方法就是实践。