博主注：原文：Competition considered as the main thing in life is too grim, too tenacious, too much a matter of taut muscles and intent will, to make a possible basis of life for more than one or two generations at most. After that length of time it must produce nervous fatigue, various phenomena of escape, a pursuit of pleasures as tense and as difficult as work (since relaxing has become impossible), and in the end a disappearance of the stock through sterility.