2 sentences for 寬 (kuān — lenient)

1. 待人要宽，责己要严。

   dài​rén yào kuān, zé jǐ yào yán.

   Be lenient toward others but strict with yourself.

   Source: Dong Chinese Dictionary

2. 凡是违法乱纪的人，都必须受到法律制裁，绝不宽贷。

   fán​shì wéi​fǎ​luàn​jì de rén, dōu bì​xū shòu​dào fǎ​lǜ zhì​cái, jué bù kuān dài.

   Anyone who violates the law and discipline must be punished by law; no leniency will be shown.

   Source: Dong Chinese Dictionary