You need a subject.
Example subject: dogs and cats.
Compare: They both have fur.
Contrast statement: Dogs are energetic and cats are lazy.
P.S It makes it easier if you make a ven diaphragm
Answer: There are different ways to answer this, but in my opinion, i think that he means that without the mysterious or questions that need to be answered there would not be a need for arts or science. What i mean is without any questions you wouldnt need answers. Without questions, science would be nothing
Explanation:
The author envies their love their ability to form a lasting relationship. kind of like if everyone has a boyfriend or girlfriend and you single watching them.