1·Technological progress, not nostalgia or asceticism, is the only reliable way for greens' visions of "sustainability" to be sustained.
技术进步，而不是怀旧或禁欲主义，是唯一可靠的方式，让“可持续性”的目标持续下去。
2·So they were practicing a certain kind of early asceticism and monasticism but with this very strong prophetic stream of it also.
所以他们遵行的,是早期的禁欲主义和修道主义,但同时又有很浓重的先知性质。
3·The character of this asceticism is determined by its motive.
的性质，这禁欲主义是取决于它的动机。