1 sentence

1. 既然你已经知道错了，就要勇于改过，避免再犯。

   jì​rán nǐ yǐ​jīng zhī​dào cuò le, jiù yào yǒng​yú gǎi​guò, bì​miǎn zài fàn.

   Since you know you are wrong, you should have the courage to correct your ways and avoid making the same mistake again.

   Source: Dong Chinese Dictionary