cùn jīn nán mǎi cùn guāng yīn
An ounce of gold can't buy you an interval of time (idiom); Money can't buy you time.
Time is precious.
yī cùn guāng yīn yī cùn jīn , cùn jīn nán mǎi cùn guāng yīn
An interval of time is worth an ounce of gold, money can't buy you time (common saying); Time is precious and must be treasured.