pre·cept
noun/ˈpriːsept/
/ˈpriːsept/
[countable, uncountable] (formal)- a rule about how to behave or what to think
（思想、行为的）准则，规范 - moral precepts
道德戒律
Word Originlate Middle English: from Latin praeceptum, neuter past participle of praecipere ‘warn, instruct’, from prae ‘before’ + capere ‘take’. - moral precepts