translation.en: If growth wanes, the risk to human progress and the risk of political and social instability rises, and societies become dimmer, coarser and smaller.
translation.zh: 一旦增长趋势平缓了， 人类发展 和社会政局动荡的风险大大提高， 这样一来，社会就变得灰暗，动乱， 脆弱。