3 sentences

1. 确定性是你为自己创造的一种感觉。

   què​dìng​xìng shì nǐ wèi zì​jǐ chuàng​zào de yī​zhǒng gǎn​jué.

   Certainty is a feeling that you create for yourself.

   Source: CCMatrix

2. 用你的力量创造确定性，而不是自我怀疑。

   yòng nǐ de lì​liang chuàng​zào què​dìng​xìng, ér bù​shì zì​wǒ huái​yí.

   Use your power to create certainty instead of self-doubt.

   Source: CCMatrix

3. 然而，与动物不同的是，我们意识到生命的脆弱性和死亡的确定性。

   rán'ér, yǔ dòng​wù bù​tóng de shì, wǒ​men yì​shí dào shēng​mìng de cuì​ruò​xìng hé sǐ​wáng de què​dìng​xìng.

   However, unlike animals, we are aware of the fragility of life and the certainty of death.

   Source: CCMatrix