From Mao Zedong's 1925 ci
沁园春·长沙 (Spring in Qin Garden - Changsha). Opening passage:
恰同学少年,
风华正茂 - 'Just as we were classmates in our youth, in the full flower of our talent.' Written at 32, recalling his student days in Changsha.
恰同学少年 is also the title of a celebrated 2007 CCTV drama.