名詞 precept:

1. rule of personal conduct
   同義詞：principle
2. a doctrine that is taught
   同義詞：teaching, commandment

1. Just follow these few basic precepts and you won't go far wrong in life.
   只要按這幾條格言行事，你一生就不會出大錯。
2. Example is better than precept.
   身教勝于言傳。

pre.cept

n.（名詞）
A rule or principle prescribing a particular course of action or conduct.
規(guī)矩：規(guī)范特定行動或行為的規(guī)則或原則
Law An authorized direction or order; a writ.
【法律】 訓(xùn)令：經(jīng)批準(zhǔn)的指示或命令；令狀

來源：
Middle English
中古英語
from Old French
源自 古法語
from Latin praeceptum [from neuter past participle of] praecipere [to advise, teach]
源自 拉丁語 praeceptum [] 源自praecipere的中性過去分詞 [建議，教]
prae- [pre-]
prae- [前綴，表.先于.]
capere [to take] * see kap-
capere [采取] *參見 kap-