先天下之忧而忧，后天下之乐而乐。节选自《-g9Y9`+T3b8b8B9M+S1b7o》作者是7\1A/?'v5o代诗人*u/c/{7T6_;T4k5z7B7A9G,n。*R'H0U6e;^+^6^0D3S9s5b*k