2. "Introduction" is vivid and caters to the main idea of the article. The stick is like a hand that can only point out the way of hope and guide the blind;
3. The sentence that reveals the main idea is: "From now on, no matter what difficulties are in front of me, I will do it, and the reminder to others will become' just go ahead and you will know'"; This sentence tells us this truth: No matter how bumpy the future is, the best way to face difficulties and confusion is to try bravely and face the darkness and hardships of life. Only in practice can we see the hope of life. How can we know that the road ahead is not bright and smooth? If you are confused, it is better to go forward!
My mood at that time should be like this: I wanted to remind him of the answer I got, but in turn I benefited a lot. I must be a little ashamed, mixed with a little joy of being suddenly enlightened. I am relieved that the gains outweigh the losses.