4 sentences for 人心 (rén​xīn — human heart)

1. 人心难测，不可不防。

   rén​xīn nán cè, bù kě bù fáng.

   Human hearts are unpredictable; one must be on guard.

   Source: Dong Chinese Dictionary

2. 人心向善。

   rén​xīn xiàng shàn.

   Human hearts incline toward goodness.

   Source: Dong Chinese Dictionary

3. 他那双深邃的眼睛仿佛能看透人心。

   tā nà shuāng shēn​suì de yǎn​jing fǎng​fú néng kàn​tòu rén​xīn.

   His deep, piercing eyes seem to be able to see through people's hearts.

   Source: Dong Chinese Dictionary

4. 古今中外，伟大的艺术作品总是能打动人心。

   gǔ​jīn zhōng​wài, wěi​dà de yì​shù zuò​pǐn zǒng​shì néng dǎ​dòng rén​xīn.

   Throughout history and across the world, great works of art have always been able to move people's hearts.

   Source: Dong Chinese Dictionary