In the 1970s the despondency was prompted by concerns about overpopulation, environmental damage and the prospect of nuclear immolation.

20世纪70年代，人口过剩、环境核毁灭前景引发了人们担忧，从而导致了这种沮丧情绪。

He started off in praise of virtue, duty, and silent immolation, having himself an incredible longing for self-sacrifice that he could not satisfy.

他也开始说道德义务好话，尤其是默默无闻精神，他自己就令人难以置信地需要出一片赤诚，但他需要却得不到满足。