huā dà jiàqian gēnfēng chǎo gǔ bù shì zhìhuì, zhīdào shénme shíhou shōushǒu cái shì

花大价钱跟风炒股不是智慧，知道什么时候收手才是。

Spending a fortune chasing stock market fads isn't wisdom; knowing when to cash out is.