蹈常袭故（蹈常襲故）　

◎ 蹈常袭故 dǎocháng-xígù

[go on in the same old way;be a slave to old methods of doing things;follow the conventional tradition] 墨守成规,沿用旧法。指照老规矩办事

后之君子,蹈常而袭故,惴惴焉惧不免于天下。——宋· 苏轼《伊尹论》