绝后光前

Explanation: Must: break; light: China Everbright to expand. Expanded less than what our predecessors and made things difficult to later generations. Describe the achievements of the great and distinguished exploits. 　　Source: Song Mai "Chai Yung Shing Lam wall four pen in mind": "and pull over steep embankment literary friends, the light before the unrepeatable, to Liu saw that it is useless also still inferior gem Jue of jade." 　　Examples: Relative to the king lattice theory, ~. (Tang Wen Daya "Datang Chuangye Confidential Memorandum," c)