He makes excuses and says he couldn't predict the problems that would arise.
he is a bueatiful young man
Explanation
correct me if i am worng
Answer:
I guess you could go with " the feeling of achievement is better when you've worked hard"
Rhetorical questions add a level of cheesiness to the paper and unless you are a very good writer, and I mean college professor level, then you will most likely fail at any attempt. Also writing research papers your suppose to be telling the reader what they don't know instead of asking them what is already do know.