Confucius said: You are cold when you are old, but you know pine and cypress wither when you are late.

After the deep winter, you will know that the pines and cypresses will wither next. This gives birth to the idiom "pine and cypress wither later", which means that people with lofty ideals struggle to the end in a difficult and dangerous environment, and gives us the enlightenment (to tell the truth) that only by constantly working hard and making progress can they realize their own value.

This is a structural auxiliary word, used between the subject and the predicate, which cancels the independence of the sentence and becomes a biased structure, which is not translated or barely translated as "de"

Cold: the cold season of the year, deep winter.

Then (ancient prose): Ran, Hou. Read separately. Run, like this. Later, later, 6. 1, Confucius said: "We didn't know that the pine and cypress withered last until the cold season." , 1,