Tā zǒng shuō yào jíshí-xínglè, jiéguǒ sānshí suì le hái yì fēn qián yě méi cúnxià.
He always said you should enjoy life while you can, and at thirty he still hadn't saved a cent.
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history
The idea goes back to the Han dynasty 古诗十九首: 为乐当及时, 'take your pleasure while there is time'. Today it can be wistful, about the shortness of life, or mildly critical of living only for fun.