Mistaken the old vinegar as ink, it was sour for half a lifetime. What is the whole poem?

"Mistaking old vinegar for ink, the next pen will be sour all my life" means: I wasted too much time and energy on the impossible, and it was too late to understand, so I had to swallow the bitter fruit myself. It is also to advise everyone not to be too persistent.

The literal meaning of this sentence is that when you write, you mistake the old vinegar for ink and keep writing. When I was almost finished, I found that the paper smelled sour. The poet used this sentence to express that I should not waste too much time on the impossible, and also warned the world not to be too persistent in everything.

Life is sometimes very helpless. If you persist in one thing for half your life and suddenly find yourself wrong and have tasted all the flavors of life, this is actually the normal state of life.

Extended data:

The practical significance of this sentence:

1, don't be too persistent. After understanding the impermanence of life, I also know that water lasts longer than liquor, so I am no longer persistent. The original persistence and the rest of my life are used to taste the sweetness of life.

It is good to be firm, but it is not good to be too firm. There is no need to be too persistent about things, and it will be too late to find out after half a life. There is no need to waste time, waste time. Therefore, mistaking old vinegar for ink means that you don't have to be too persistent and waste your time.