因为看透人心所以百毒不侵
[yīn wéi kàn tòu rén xīn suŏ yĭ băi dú bù qīn]
This name implies that the person has gained a clear understanding of human nature and can no longer be easily harmed or deceived by it. This often refers to someone who has experienced enough life's hardships to become emotionally resilient.