民主必须在每一代人中焕发新生,而教育是它的助产士。
Democracy must be born anew every generation, and education is its midwife.
释义:运气不好的时候,即使是黄金也会失去光泽;运气好的时候,连普通的铁也会发光。
The past is not dead, it is not even past.
系统产生需求的速度比满足需求的速度更快。