《礼记·学记》
如果一个教师的语言简洁而透彻，含蓄而妥帖，很少用比喻而且容易明白，这样的教师可算是善于让人继承他的志向了。
其言也约而达，微而臧，罕譬而喻，可谓继志矣。
If a teacher's language is concise and thorough, implicit and appropriate, rarely uses metaphors and is easy to understand, such a teacher can be regarded as good at letting people inherit his志向.