《幼学琼林·卷三·人事》
凡事死守教条不知变通，徒然死读父亲的兵书。凡事自以为聪明，固守成见。
不知通变，曰徒读父书；自作聪明，曰徒执己见。
Always sticking to dogmas and being unwilling to change, only knowing how to study one's father's military books. Thinking oneself clever and stubbornly sticking to one's own opinions.