看尽世态炎凉尝尽人生百味
[kàn jĭn shì tài yán liáng cháng jĭn rén shēng băi wèi]
Witnessed All Human Coldness and Warmth, Experienced Every Aspect of Life: This phrase expresses profound reflection on the various facets of life, highlighting the speaker's deep experience and contemplation of human nature and existence.