"A friend in need is a friend indeed!" is the life lesson that my father taught me. I learned from him that we should try hard to help others. He always wanted me to be a good friend who can help friends in need.
(Is this passage grammatical? Would you correct some unsuitable expressions?)
Your passage is perfect. I wouldn't change a thing!
Yes, the passage is grammatically correct. However, there are a few suggestions to improve the expression of certain ideas:
"A friend in need is a friend indeed!" is a valuable life lesson that my father taught me. I learned from him the importance of making an effort to help others. He always emphasized the qualities of being a good friend and being there for others in their time of need.
By making these adjustments, the passage becomes clearer and more concise while retaining its original meaning and intent.