【三复斯言】〖sn fù s yán〗[think over or ponder my advice]

三朝元老作楷模，

复面拜门东床客。

斯事体大至关重，

言传身教雕心刻。

反复朗读并体会这句话。形容对它极为重视。Repeatedly reading aloud and experience this sentence. Describe is to it extremely attention.