2 sentences

1. 我们要努力探寻生命之源。

   wǒ​men yào nǔ​lì tàn​xún shēng​mìng zhī yuán.

   We must strive to explore the source of life.

   Source: Dong Chinese Dictionary

2. 他一生都在探寻人生的真谛。

   tā yī​shēng dōu zài tàn​xún rén​shēng de zhēn​dì.

   He spent his entire life searching for the true meaning of life.

   Source: Dong Chinese Dictionary