Hello, there are many famous sayings about striving to be a good boy. I would like to recommend a few for you.

The first sentence is that life today is hard-won. As a young man, you must study hard and contribute to the motherland in the future.

The second sentence is to learn knowledge and strive to be a good young man.

The third sentence, make good use of all available time, seize the time to learn and make yourself knowledgeable. This is the most important thing for a good boy to do.

There are many such sentences. The above sentences are for reference only.