4 sentences

1. 他的感情战胜了理智。

   tā de gǎn​qíng zhàn​shèng le lǐ​zhì.

   His emotions overcame his reason.

   Source: Dong Chinese Dictionary

2. 我是个理智的人。

   wǒ shì gè lǐ​zhì de rén.

   I'm a rational person.

   Source: OpenSubtitles

3. 在危机时刻，保持理智非常重要。

   zài wēi​jī shí​kè, bǎo​chí lǐ​zhì fēi​cháng zhòng​yào.

   In times of crisis, it is very important to stay rational.

   Source: Dong Chinese Dictionary

4. 强烈的嫉妒心灼伤了他的理智。

   qiáng​liè de jí​dù​xīn zhuó​shāng le tā de lǐ​zhì.

   Intense jealousy scorched his reason.

   Source: Dong Chinese Dictionary